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Topic: Schistosoma japonicum


In the News (Fri 17 Feb 12)

  
  Infection with Schistosomes (Schistosoma haematobium, Schistosoma mansoni and Schistosoma ...
japonicum infections are identified by the presence of eggs in faeces.
japonicum infection, based on the presence of eggs in tissue, was 1.8 and was significant.
japonicum induce fibrosis of the liver and inflammatory lesions of the large bowel.
www.inchem.org /documents/iarc/vol61/m61-1.html   (1708 words)

  
 Schistosomiasis
This is particularly true for Schistosoma japonicum in China, in which monkeys in the northern regions, and domestic oxen in the southern regions are significant reservoirs.
Schistosoma haematobium infects pulmonate snails of the genus Bulinus.
Schistosoma japonicum is found primarily in amphibious snails of the genus Oncomelania.
www.medicalecology.org /water/schistosomiasis/schistosomiasis.htm   (5011 words)

  
 Schistosoma japonicum   (Site not responding. Last check: 2007-10-13)
japonicum causes a disease that is very similar to the one caused by S. mansoni.
It may be more severe, however, due to the production of a greater number of eggs.
In S. japonicum, animal reservoirs may be a significant factor, whereas in S. mansoni animal reservoirs are not a significant factor, see S.
medinfo.ufl.edu /year2/mmid/bms5300/bugs/schjapon.html   (54 words)

  
 schistosoma mekongi
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schistosoma-mekongi.my001.info   (289 words)

  
 WHO Schisto Data
Schistosoma haematobium is responsible for urinary symptoms and disease in Africa and the Middle East.
japonicum which accounted for most transmission among the three major schistosome species and was the most difficult to control, due to its zoonotic nature, has now been effectively controlled in many areas.
Schistosoma japonicum and Schistosoma haematobium, the main causes of infection in 1947, have decreased in prevalence and distribution, and Schistosoma mansoni has become the most prevalent and widespread of the three species.
www.geog.umn.edu /courses/1403/whoschisto.htm   (1038 words)

  
 Trematodes
Schistosoma japonicum adult male and female, in copula © Dr Peter Darben, Queensland University of Technology clinical parasitology collection.
Schistosoma japonicum eggs are smaller (68 - 100 µm by 45 - 80 µm) than those of the other species.
Schistosoma japonicum adult male and female © Dr Peter Darben, Queensland University of Technology clinical parasitology collection.
pathmicro.med.sc.edu /parasitology/trematodes.htm   (2643 words)

  
 Schistosomiasis
Schistosoma mansoni causes intestinal schistosomiasis and is prevalent in 52 countries and territories of Africa, Caribbean, the Eastern Mediterranean and South America
Schistosoma japonicum/Schistosoma mekongi cause intestinal schistosomiasis and are prevalent in 7 African countries and the Pacific region
Schistosoma haematobium causes urinary schistosomiasis and affects 54 countries in Africa and the Eastern Mediterranean.
www.tulane.edu /~dmsander/WWW/224/Schisto.html   (1427 words)

  
 Schistosomiasis Summary
Schistosoma haematobium lives in the blood vessels of the urinary bladder and is responsible for over 100 million human cases of the disease a year.
Schistosoma mansoni and Schistosoma japonicum reside in the intestine; the former species infect 75 million people a year and the latter 25 million.
Schistosoma mansoni is found in parts of South America and the Caribbean, Africa, and the Middle East; S.
www.bookrags.com /Schistosomiasis   (3816 words)

  
 Schistosomiasis
In acute infections with heavy infection due to Schistosoma mansoni or Schistosoma japonicum, a mucoid bloody diarrhea accompanied by tender hepatomegaly occurs.
Schistosoma haematobium occurs in Africa and the eastern Mediterranean region.
Schistosoma mekongi is limited to a small area of the Mekong delta in Southeast Asia (Kampuchea and Laos).
www.meddean.luc.edu /lumen/meded/mech/cases/case14/schistos.htm   (856 words)

  
 C:\My Documents\bloodtrm.txt   (Site not responding. Last check: 2007-10-13)
Schistosoma malayensis was first described from Rattus muelleri in Peninsular Malaysia in 1973 and 2 strains are characterized by using isoenzym and electrophoresis, which are, Baling and Koyan strains (Shekhar and Pathmanathan, 1992).
Schistosoma dermatitis is a transient, local irritant or hypersensitivity reaction during the penetration phase of the cercariae of animal Schistosoma species.
The anthropophilic Schistosoma species are Trichobilharzia and Ornithobilharzia that are transmitted by snails of the group Lymnaea, Planorbis and Physa; Microbilharzia which is the parasite of sea birds and is transmitted by sea water snails; and mammalian Schistosoma such as S.sindale and S.bovis.
mywebpages.comcast.net /fredarfaa/bloodtrm.htm   (7514 words)

  
 BioMed Central | Full text | A cross-sectional study of the prevalence of intensity of infection with Schistosoma ...
A cross-sectional study of the prevalence of intensity of infection with Schistosoma japonicum in 50 irrigated and rain-fed villages in Samar Province, the Philippines
japonicum was part of a larger project which aimed at assessing the effect of water management systems on the transmission dynamics of the infection.
japonicum and may be related to biologically mediated events of puberty and changes in behaviors and social roles at those ages [27,29,30].
www.biomedcentral.com /1471-2458/6/61   (4935 words)

  
 Schistosoma - Wikipedia, the free encyclopedia
A genus of trematodes, Schistosoma spp., commonly known as blood-flukes and bilharzia, cause the most important human helminth infection (schistosomiasis) from a world health perspective, and are considered by the World Health Organization as second in importance only to malaria, with hundreds of millions infected worldwide.
Schistosoma mansoni, found in Africa, Brazil, Venezuela, Suriname, the lesser Antilles, Puerto Rico, and the Dominican Republic.
japonicum whose common name is simply blood fluke is found widely spread in Eastern Asia and the southwestern Pacific region.
en.wikipedia.org /wiki/Schistosoma   (427 words)

  
 Schistosomiasis - latest schistosomiasis outbreak
Schistosoma japonicum and Schistosoma mekongi cause Asian intestinal schistosomiasis
japonicum worms develop an oral sucker after arriving at the liver, and it is during this period that the parasite begins to feed on red blood cells.
japonicum should also include a pelvic x-ray as bladder wall calcificaition is highly characteristic of chronic infection.
www.medicalgeo.com /Med-Diseases-R---Se/Schistosomiasis.html   (1594 words)

  
 schistosoma japonicum,   (Site not responding. Last check: 2007-10-13)
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schistosoma-japonicum.sunxe.com   (251 words)

  
 The Scientist : Schistosomiasis under scrutiny   (Site not responding. Last check: 2007-10-13)
Schistosomiasis is a major public health problem in Africa, South America, and Asia, with an estimated 75 million people at risk of infection and 2.4 million individuals infected in China alone.
The platyhelminth schistosomes are the causative agent, with Schistosoma japonicum endemic in Asia and China and S.
japonicum in particular and for the genus Schistosoma at large," Hu et al.
www.the-scientist.com /news/20030915/01   (584 words)

  
 EID V3N3, Emerging and Reemerging Helminthiases and the Public Health of China
Schistosoma japonicum is also a major cause of illness in this region.
japonicum complex was predicted years before it could be confirmed by using parasites from clinical specimens (42).
Anti-fecundity immunity induced in pigs vaccinated with recombinant Schistosoma japonicum 26 kDa glutathione-S-transferase.
www.cdc.gov /ncidod/eid/vol3no3/hotez.htm   (4558 words)

  
 Diversity among Schistosomes: Perspectives for Control
The influence of mnng on the proliferation of cultured cell from adult Schistosoma japonicum.
Schistosoma mansoni and S. japonicum: transformation of cercariae to schistosomula and their interaction with complement.
Attenuation of Schistosoma mansoni cercaria with a molluscicide and cercaricide derived from the Egyptian weed, Solanum nigrum L. Hanan Helmy, Amer H. Ahmed, Ibrahim H. Kamal and Reda M. Ramzy.
www.nhm.ac.uk /hosted_sites/schisto/prcschisto   (1038 words)

  
 Schistosoma mansoni - The cause of Bilharziosis.
Picture left: Schistosoma mansoni — one of the pathogen causes responsible for the illness Bilharziosis or Schistosomiasis.
For example the alternate host to Schistosoma mansoni is Biomphalaria glabrata and other members of this genus, part of the ram's horn snail family (Planorbidae).
The developmental cycle of Schistosoma mansoni (Bielefeld university).
www.weichtiere.at /Mollusks/Schnecken/parasitismus/schistosoma.html   (466 words)

  
 [No title]
The Influence of MNNG on the Proliferation of Cultured Cells from Adult Schistosoma japonicum DONG Huifen JIANG Mingsen MING Zhenping ZHONG Qinping Department of Medical Parasitology and Research Laboratory of Schistosomiasis, Medical College of Wuhan University, Wuhan 430071 AIM To study the function of MNNG on the proliferation of cultured cells from adult Schistosoma japonicum.
In present study, the extract of the adult worm of schistosome japonicum was investigated by enzymatic assays of HO and BR using commercial substrates hemin and biliverdin.
Cercariae were exposed to 5, 10, 15 and 20 ppm of the extract for 30 minutes, immediately before mice infection to quantify the effect of varying levels of exposure to FLWE on the activity of cercariae and its capacity to generate adult worms in mice.
www.nhm.ac.uk /hosted_sites/schisto/prcschisto/Wuhan.doc   (8734 words)

  
 Medmicro Chapter 88
Infections with Schistosoma mansoni and S japonicum (mesenteric venules) result in eosinophilia, hepatomegaly, splenomegaly, and hematemesis.
It appears most commonly in Schistosoma japonicum infection, is much less common in S mansoni infections, and is seen rarely in patients infected with S haematobium.
Schistosoma mansoni occurs in South America, the Caribbean, and Africa; S japonicum in the Far East; and S haematobium in Africa and the Middle East.
gsbs.utmb.edu /microbook/ch088.htm   (4920 words)

  
 T-Helper-2 Cytokine Responses to Sj97 Predict Resistance to Reinfection with Schistosoma japonicum -- Leenstra et al. ...
Immune correlate study on human Schistosoma japonicum in a well-defined population in Leyte, Philippines: I. Assessment of ‘resistance’ versus ‘susceptibility’ to S. japonicum infection.
Human resistance to Schistosoma mansoni is associated with IgG reactivity to a 37-kDa larval surface antigen.
Increases in human T helper 2 cytokine responses to Schistosoma mansoni worm and worm-tegument antigens are induced by treatment with praziquantel.
iai.asm.org /cgi/content/full/74/1/370   (5153 words)

  
 Schistosomiasis
In its adult form, the S. japonicum is an intestinal worm that lives in the mesenteric veins outside of the liver of its definitive host.
One mated pair of S. japonicum produces about 3000 eggs per day, some of which pass through the membranes of the bowels and are excreted in stool.
An apparent adaptation to utilizing such a small intermediate host is that S. japonicum, unlike other schistosome species, can take advantage of almost all tissues of O. hupensis.
ehs.sph.berkeley.edu /china/e/disease.htm   (1404 words)

  
 Schistosomiasis: Parasitic Infections: Merck Manual Home Edition
Three species cause most of the cases of schistosomiasis in people: Schistosoma hematobium infects the urinary tract and bladder, and Schistosoma mansoni and Schistosoma japonicum infect the intestine.
The infection is acquired by swimming or bathing in fresh water that is contaminated with the parasites.
The eggs of Schistosoma mansoni and Schistosoma japonicum typically lodge in the intestine and liver, whereas those of Schistosoma hematobium typically lodge in the bladder.
www.merck.com /mrkshared/mmanual_home2/sec17/ch196/ch196j.jsp   (502 words)

  
 Vaccination with Calpain Induces a Th1-Biased Protective Immune Response against Schistosoma japonicum -- Zhang et al. ...
A large subunit of calpain, a calcium-activated neutral proteinase, from Schistosoma japonicum was cloned and expressed in
Nitric oxide produced in the lungs of mice immunized with the radiation-attenuated schistosome vaccine is not the major agent causing challenge parasite elimination.
modifies pulmonary inflammatory responses and abrogates immunity to Schistosoma japonicum in mice vaccinated with attenuated cercariae.
iai.asm.org /cgi/content/full/69/1/386   (3471 words)

  
 Bio160: Development of Vaccines
Schistosomiasis is caused primarily by three species: Schistosoma mansoni (Africa and South America), Schistosoma haematobium (Africa and the Middle East), and Schistosoma japonicum (Asia).
Schistosoma mansoni and Schistosoma japonicum infect the portal and mesenteric veins, while Schistosoma haematobium infects the urogenital venous system.
In a recent study carried out by Mountford, Anderson, and Wilson at the University of York, IL-12, a powerful inducer of Th1 lymphocyte development, was administered in conjunction with a lung-stage Ag from the larvae of Schistosoma mansoni.
www.brown.edu /Courses/Bio_160/Projects1999/schisto/schistobody.html   (1778 words)

  
 Antigenic variation
Larval forms of the parasites (known as cercariae), released by the snails, penetrate the skin of people in the water.
Immune reactions to eggs lodged in tissues are the cause of disease.
China, Jiangsu province: Molluscicide (niclosamide) to kill intermediate host snails (Oncomelania) involved in the transmission of Schistosoma japonicum, being sprayed over riverbank and flood-prone land using a high-pressure hose (courtesy WHO/TDR).
www.icp.ucl.ac.be /~opperd/parasites/schisto1.html   (625 words)

  
 BioMed Central | Full text | The Sinbadretrotransposon from the genome of the human blood fluke, Schistosoma mansoni, ...
Schistosoma mansoni, the African blood fluke and etiological agent of intestinal schistosomiasis, is endemic in numerous countries in Africa, the Middle East, the Caribbean and northeastern South America.
japonicum by the related Tiao element [48] represents the first demonstration of infection of a Lophotrochozoan taxon by Pao/BEL family LTR retrotransposons.
Digested gDNA and BAC DNA were size fractionated by electrophoresis through a 0.8% agarose gel, transferred to a nylon membrane (Zeta-Probe GT, Bio-Rad) by capillary action [60], and UV-light cross-linked to the membrane.
www.biomedcentral.com /1471-2148/5/20   (7853 words)

  
 Publications - Infectious Factsheets - Schistosomiasis
Schistosoma mansoni, Schistosoma japonicum, and Schistosoma haematobium cause illness in humans.
People get schistosomiasis by skin contact with contaminated fresh water in which certain types of snails that carry schistosomes are living.
Infected people pass Schistosoma eggs in their urine and stool.
www.astdhpphe.org /schisto.asp   (927 words)

  
 Schistosome definition - Medical Dictionary definitions of popular medical terms
There are three main species of these trematode worms (flukes) -- Schistosoma haematobium, Schistosoma japonicum, and Schistosoma mansoni -- that produce disease in humans.
The cercaria (form of the parasite) is liberated from the snail burrow into skin, transforms to the schistosomulum stage, and migrates to the urinary tract (S. haematobium), liver or intestine (S. japonicum, S.mansoni) where the adult worms develop.
Eggs are shed into the urinary tract or the intestine and hatch to form miracidia (yet another form of the parasite) which then infect snails, completing the life cycle of the parasite.
www.medterms.com /script/main/art.asp?articlekey=18309   (209 words)

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