نتایج جستجو برای: tspo

تعداد نتایج: 1222  

Journal: :Clinical and translational imaging 2016
Federico Roncaroli Zhangjie Su Karl Herholz Alexander Gerhard Federico E Turkheimer

Positron emission tomography (PET) alone or in combination with MRI is increasingly assuming a central role in the development of diagnostic and therapeutic strategies for brain tumours with the aim of addressing tumour heterogeneity, assisting in patient stratification, and contributing to predicting treatment response. The 18 kDa translocator protein (TSPO) is expressed in high-grade gliomas,...

2011
Celine Vanhee Grzegorz Zapotoczny Danièle Masquelier Michel Ghislain Henri Batoko

TSPO, a stress-induced, posttranslationally regulated, early secretory pathway-localized plant cell membrane protein, belongs to the TspO/MBR family of regulatory proteins, which can bind porphyrins. This work finds that boosting tetrapyrrole biosynthesis enhanced TSPO degradation in Arabidopsis thaliana and that TSPO could bind heme in vitro and in vivo. This binding required the His residue a...

Journal: :The Plant cell 2011
Celine Vanhee Grzegorz Zapotoczny Danièle Masquelier Michel Ghislain Henri Batoko

TSPO, a stress-induced, posttranslationally regulated, early secretory pathway-localized plant cell membrane protein, belongs to the TspO/MBR family of regulatory proteins, which can bind porphyrins. This work finds that boosting tetrapyrrole biosynthesis enhanced TSPO degradation in Arabidopsis thaliana and that TSPO could bind heme in vitro and in vivo. This binding required the His residue a...

Journal: :Scientific reports 2016
Daniel J Daugherty Olga Chechneva Florian Mayrhofer Wenbin Deng

The mitochondrial translocator protein (TSPO) has been implicated in CNS diseases. Here, we sought to determine the specific role of TSPO in experimental autoimmune encephalomyelitis (EAE), the most studied animal model of multiple sclerosis (MS). To fundamentally elucidate the functions of TSPO, we first developed a viable TSPO knockout mouse. A conditional TSPO knockout mouse was generated by...

Journal: :Protein science : a publication of the Protein Society 2014
Lukasz Jaremko Mariusz Jaremko Stefan Becker Markus Zweckstetter

A conserved family of tryptophan-rich sensory proteins (TspO) mediates the transport of heme degradation intermediates across membranes. In eukaryotes, the homologous mitochondrial translocator protein (TSPO) binds cholesterol and radioligands as monomer. On the basis of the mammalian TSPO structure, bioinformatic analysis, and a 10 Å resolution electron microscopy map of TspO from Rhodobacter ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
Jinjiang Fan Enrico Campioli Andrew Midzak Martine Culty Vassilios Papadopoulos

Translocator protein (TSPO) is a key member of the mitochondrial cholesterol transport complex in steroidogenic tissues. To assess the function of TSPO, we generated two lines of Cre-mediated Tspo conditional knockout (cKO) mice. First, gonadal somatic cell-targeting Amhr2-Cre mice were crossed with Tspo-floxed mice to obtain F1 Tspo Amhr2 cKO mice (Tspo(fl/fl);Amhr2-Cre(/+)). The unexpected Me...

2014
Charlène Leneveu-Jenvrin Nathalie Connil Emeline Bouffartigues Vassilios Papadopoulos Marc G. J. Feuilloley Sylvie Chevalier

The translocator protein (TSPO), which was previously designated as the peripheral-type benzodiazepine receptor, is a 3.5 billion year-old evolutionarily conserved protein expressed by most Eukarya, Archae and Bacteria, but its organization and functions differ remarkably. By taking advantage of the genomic data available on TSPO, we focused on bacterial TSPO and attempted to define functions o...

Journal: :Biochemical Society transactions 2015
Philipp Gut

The translocator protein (18 kDa) (TSPO) resides on the outer mitochondrial membrane where it is believed to participate in cholesterol transport and steroid hormone synthesis. Although it is almost ubiquitously expressed, what TSPO does in non-steroidogenic tissues is largely unexplored. Recent studies report changes in glucose homoeostasis and cellular energy production when TSPO function is ...

2013
Xiaoting Wu Kathleen A. Gallo

Mitochondria play important roles in cancer progression and have emerged as viable targets for cancer therapy. Increasing levels of the outer mitochondrial membrane protein, 18-kDa translocator protein (TSPO), are associated with advancing breast cancer stage. In particular, higher TSPO levels are found in estrogen receptor (ER)-negative breast tumors, compared with ER-positive tumors. In this ...

Journal: :Journal of Neuroendocrinology 2021

Changes in mitochondrial function a variety of cells/tissues are critical for orchestrating systemic energy homeostasis and linked to the development obesity many its comorbidities. The translocator protein 18 kDa (TSPO) is expressed organs throughout body, including brain, liver, adipose tissue, gonads adrenal glands, where it implicated regulating steroidogenesis cellular metabolism. Prior wo...

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