Navigation Links
MIT researchers study the danger of toxoplasma parasites
Date:1/4/2011

CAMBRIDGE, Mass. -- About one-third of the human population is infected with a parasite called Toxoplasma gondii, but most of them don't know it. Though Toxoplasma causes no symptoms in most people, it can be harmful to individuals with suppressed immune systems, and to fetuses whose mothers become infected during pregnancy. Toxoplasma spores are found in dirt and easily infect farm animals such as cows, sheep, pigs and chickens. Humans can be infected by eating undercooked meat or unwashed vegetables.

Jeroen Saeij, an assistant professor of biology at MIT is investigating a key question: why certain strains of the Toxoplasma parasite (there are at least a dozen) are more dangerous to humans than others. He and his colleagues have focused their attention on the type II strain, which is the most common in the United States and Europe, and is also the most likely to produce symptoms. In a paper appearing in the Jan. 3 online edition of the Journal of Experimental Medicine, the researchers report the discovery of a new Toxoplasma protein that may help explain why type II is more virulent than others.

Toxoplasma infection rates vary around the world. In the United States, it's about 10 to 15 percent, while rates in Europe and Brazil are much higher, around 50 to 80 percent. However, these are only estimates it is difficult to calculate precise rates because most infected people don't have any symptoms.

After an infection is established, the parasite forms cysts, which contain many slowly reproducing parasites, in muscle tissue and the brain. If the cysts rupture, immune cells called T cells will usually kill the parasites before they spread further. However, people with suppressed immune systems, such as AIDS patients or people undergoing chemotherapy, can't mount an effective defense.

"In AIDS patients, T cells are essentially gone, so once a cyst ruptures, it can infect more
'/>"/>

Contact: Jessica Holmes
holmesj@mit.edu
617-253-2702
Massachusetts Institute of Technology
Source:Eurekalert

Page: 1 2

Related biology news :

1. NC State researchers get to root of parasite genome
2. Researchers find animal with ability to survive climate change
3. Researchers find an essential gene for forming ears of corn
4. Researchers note differences between people and animals on calorie restriction
5. Researchers study acoustic communication in deep-sea fish
6. Researchers discover that growing up too fast may mean dying young in honey bees
7. Researchers study how pistachios may improve heart health
8. UI researchers find potentially toxic substance present in Chicago air
9. Researchers develop new self-training gene prediction program for fungi
10. Case Western Reserve University researchers track Chernobyl fallout
11. Childrens National researchers develop novel anti-tumor vaccine
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:7/28/2014)... TEMPE, Ariz. - Reactions among minerals and organic compounds ... deep carbon cycle, they provide energy for the deep ... life. However, very little is known about how minerals ... Arizona State University have demonstrated how a common mineral ... negating the need for toxic solvents or expensive ...
(Date:7/28/2014)... School of Medicine have pinpointed a mechanism in part of ... the blood, linking it to both type 1 and type ... issue of Proceedings of the National Academies of Sciences ... located in a part of the hypothalamus known as ... motion that control glucose levels in the blood," said lead ...
(Date:7/28/2014)... wild relative of the domestic tomato, has been published ... headed by Professors Neelima Sinha and Julin Maloof at ... genome information may help breeders produce tastier, more stress-tolerant ... journal Nature Genetics , was lead by Bjrn ... UC Davis labs carried out work on the transcriptome ...
Breaking Biology News(10 mins):Mineral magic? Common mineral capable of making and breaking bonds 2Mineral magic? Common mineral capable of making and breaking bonds 3Glucose 'control switch' in the brain key to both types of diabetes 2
... research in the coming decade. Uppsala University,s entity ... researchers with a powerful system for large-scale compute ... new breakthroughs in research on our public-health disorders. ... technology offers researchers the opportunity to understand the ...
... be due to hereditary cardiac disease. Researchers at the Heidelberg ... to cardiac weakness in an animal model. Just one "false" ... fish have a genetic makeup similar to that of humans, ... Cardiac insufficiency is not just a disease that ...
... to shed new light on HIV,s ability to survive in ... and Infectious Diseases at the NIH has awarded a five-year, ... New York University College of Dentistry to continue its study ... between viruses. The team leader, Dr. David N. Levy, ...
Cached Biology News:Computer superpower strengthens attempts to combat common diseases 2Computer superpower strengthens attempts to combat common diseases 3Why 'lazy Susan' has a weak heart 2NYU College of Dentistry awarded $1.9 million NIH grant for HIV research 2
(Date:7/29/2014)... (PRWEB) July 29, 2014 TransVac Solutions, ... linen collection and transport solutions for hospitals, will be ... Healthcare Engineering (ASHE) Annual Conference & Technical Exhibition Aug. ... present its technology for making hospitals cleaner, reducing infection ... over the hospital’s life cycle. Staff will be ...
(Date:7/29/2014)... 2014 Genera Energy Inc. ... innovation and supply chain advancements, has announced the ... Energy Grange™ and Supply ASSURE™. Both systems ... testing aimed at consolidating and simplifying the entire ... farmers and feedstock end users. , “Through the ...
(Date:7/29/2014)... Seattle, WA (PRWEB) July 29, 2014 ... central IRB services, has been awarded accreditation by ... (IASSC) for its Lean Six Sigma Deployment ... eliminate waste and improve performance. , Quorum’s Lean ... granted the Accredited Deployment Program designation. The designation ...
(Date:7/29/2014)... 2014 The first product launch from ... approach to robotics. What sets Droidles completely apart from ... that allows them to communicate, share code with each ... internet. , “The invention is the system,” said Hurley ... a life of their own, both physically and on ...
Breaking Biology Technology:TransVac Presents Cost Saving Technology at ASHE Conference for Keeping Hospitals Cleaner 2Genera Energy Introduces Proprietary Feedstock Management Systems 2Genera Energy Introduces Proprietary Feedstock Management Systems 3Genera Energy Introduces Proprietary Feedstock Management Systems 4Quorum Review IRB Accredited by IASSC for Lean Six Sigma Deployment Program 2Quorum Review IRB Accredited by IASSC for Lean Six Sigma Deployment Program 3Droidles, the Social Network of Robots and Open Source Platform for the Internet of Things, Launches for Crowd Funding on IndieGoGo.com 2
... /PRNewswire-Asia-FirstCall/ -- China Sky One,Medical, Inc. ("China Sky One ... a,leading fully integrated pharmaceutical company producing over-the-counter,drugs in the ... approvals from the State Food and Drug Administration (SFDA) ... liniment for pain relief. , ...
... April 23 Idenix Pharmaceuticals, Inc. (Nasdaq: ... and development of drugs for the treatment of human ... C development programs being presented this week at the ... Study of the Liver (EASL) in Copenhagen, Denmark. These ...
... 23 HUNT Biosciences, the,commercial arm of the ... of former GE Healthcare director Per Foss as ... companies with biomarker,discovery and validation services. These are ... past 25 years has gathered blood samples from ...
Cached Biology Technology:China Sky One Medical, Inc. Obtains SFDA Approvals for Geranium Ointment and Musk Liniment for Pain Relief 2China Sky One Medical, Inc. Obtains SFDA Approvals for Geranium Ointment and Musk Liniment for Pain Relief 3Idenix Pharmaceuticals Reports Data From Three Hepatitis C Development Programs at the 44th Annual Meeting of the European Association for the Study of the Liver 2Idenix Pharmaceuticals Reports Data From Three Hepatitis C Development Programs at the 44th Annual Meeting of the European Association for the Study of the Liver 3Idenix Pharmaceuticals Reports Data From Three Hepatitis C Development Programs at the 44th Annual Meeting of the European Association for the Study of the Liver 4Idenix Pharmaceuticals Reports Data From Three Hepatitis C Development Programs at the 44th Annual Meeting of the European Association for the Study of the Liver 5Former GE Healthcare Director, Per Foss Appointed CEO for HUNT Biosciences 2
Rabbit polyclonal to UBC12 (rating: ****) ( Abpromise for all tested applications). Antigen: Synthetic peptide: RGGYIGSTYFER, corresponding to amino acids 169-180 of UBC12 Entrez Gene ID: 90...
GBL Antibody...
...
... Sequencing Quality 96 Well ... BAC template preparation from 1.5ml ... suitable for automated fluorescent sequencing ... DNA; Utilizes ProPrep strategy which ...
Biology Products: