نتایج جستجو برای: msp

تعداد نتایج: 2571  

2010
Paolo Gaibani Maria Teresa Pellegrino Giada Rossini Gualtiero Alvisi Luisa Miragliotta Carlo Prati Vittorio Sambri

BACKGROUND Treponema denticola is an oral spirochete involved in the pathogenesis and progression of periodontal disease. Of its virulence factors, the major surface protein (MSP) plays a role in the interaction between the treponeme and host. To understand the possible evolution of this protein, we analyzed the sequence of the msp gene in 17 T. denticola positive clinical samples. METHODS Nu...

2011
Graeme J. M. Cowan Alison M. Creasey Kelwalin Dhanasarnsombut Alan W. Thomas Edmond J. Remarque David R. Cavanagh

Polymorphic parasite antigens are known targets of protective immunity to malaria, but this antigenic variation poses challenges to vaccine development. A synthetic MSP-1 Block 2 construct, based on all polymorphic variants found in natural Plasmodium falciparum isolates has been designed, combined with the relatively conserved Block 1 sequence of MSP-1 and expressed in E.coli. The MSP-1 Hybrid...

2001
ANDREW BAKER

We investigate the relationship between complex and symplectic cobordism localized away from the prime 2 and show that these theories are related much as a real Lie group is related to its complexification. This suggests that ideas from the theory of symmetric spaces might be used to illuminate these subjects. In particular, we give an explicit equivalence of ring spectra MSp[1/2] ∧ Sp/U+ ' MU[...

Journal: :Biochemical and biophysical research communications 2007
Marie-Claude Jobin Inderpreet Virdee Christopher A McCulloch Richard P Ellen

The major outer sheath protein (Msp) of Treponema denticola induces Ca(2+) entry and actin reorganization in cultured fibroblasts, but the pathways by which Msp mediates these responses are not yet defined. We considered that Msp may activate protein kinases as a stress response that precedes actin remodelling. Phospho-kinase screens showed that Msp induced phosphorylation of multiple kinases i...

Journal: :Current drug targets 2010
Kelsi L Kretschmann Henok Eyob Saundra S Buys Alana L Welm

Macrophage Stimulating Protein (MSP) is the only known ligand for the receptor tyrosine kinase Ron. The MSP/Ron pathway is involved in several important biological processes, including macrophage activity, wound healing, and epithelial cell behavior. A role for MSP/Ron in breast cancer has recently been elucidated, wherein this pathway regulates tumor growth, angiogenesis, and metastasis. Here,...

2013
Aurore Ogouyèmi-Hounto Dorothée Kinde Gazard Nicaise Ndam Elsa Topanou Olivia Garba Pancras Elegbe Tatiana Hountohotegbe Achille Massougbodji

The aim of this study was to determine the genetic diversity of Plasmodium falciparum by analyzing the polymorphism of the msp-1 and msp-2 genes and the multiplicity of infection in children with uncomplicated malaria in southern Benin. Blood samples of children with fever or history of fever with thick smear positive P. falciparum were collected on filter paper. After extraction of DNA by Chel...

Journal: :PLoS Medicine 2007
Shannon L Takala Drissa Coulibaly Mahamadou A Thera Alassane Dicko David L Smith Ando B Guindo Abdoulaye K Kone Karim Traore Amed Ouattara Abdoulaye A Djimde Paul S Sehdev Kirsten E Lyke Dapa A Diallo Ogobara K Doumbo Christopher V Plowe

BACKGROUND Malaria vaccines based on the 19-kDa region of merozoite surface protein 1 (MSP-1(19)) derived from the 3D7 strain of Plasmodium falciparum are being tested in clinical trials in Africa. Knowledge of the distribution and natural dynamics of vaccine antigen polymorphisms in populations in which malaria vaccines will be tested will guide vaccine design and permit distinction between na...

Journal: :Current Biology 2008
Hua Cheng J. Amaranath Govindan David Greenstein

BACKGROUND In C. elegans, a sperm-sensing mechanism regulates oocyte meiotic maturation and ovulation, tightly coordinating sperm availability and embryo production; sperm release the major sperm protein (MSP) signal to trigger meiotic resumption. Meiotic arrest depends on the parallel function of the oocyte VAB-1 MSP/Eph receptor and somatic G protein signaling. MSP promotes meiotic maturation...

Journal: :Biochemistry 2002
Hana Popelkova Michael M Im Charles F Yocum

Manganese stabilizing protein (MSP) is an intrinsically disordered extrinsic subunit of photosystem II that regulates the stability and kinetic performance of the tetranuclear manganese cluster that oxidizes water to oxygen. An earlier study showed that deletion of the (1)E-(3)G domain of MSP caused no loss of activity reconstitution, whereas deletion of the (4)K-(10)E domain reduced binding of...

2012
Hadas Elhanany-Tamir Yanxun V. Yu Miri Shnayder Ankit Jain Michael Welte Talila Volk

Striated muscle fibers are characterized by their tightly organized cytoplasm. Here, we show that the Drosophila melanogaster KASH proteins Klarsicht (Klar) and MSP-300 cooperate in promoting even myonuclear spacing by mediating a tight link between a newly discovered MSP-300 nuclear ring and a polarized network of astral microtubules (aMTs). In either klar or msp-300(ΔKASH), or in klar and msp...

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