Xiaobai Ren

Xiaobai Ren
Massachusetts Institute of Technology | MIT · Picower Institute for Learning and Memory

About

12
Publications
793
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216
Citations
Citations since 2016
0 Research Items
101 Citations
20162017201820192020202120220510152025
20162017201820192020202120220510152025
20162017201820192020202120220510152025
20162017201820192020202120220510152025

Publications

Publications (12)
Article
H-REV107-like family proteins TIG3 and H-REV107 are class II tumor suppressors. Here we report that the C-terminal domains (CTDs) of TIG3 and H-REV107 can induce HeLa cell death independently. The N-terminal domain (NTD) of TIG3 enhances the cell death inducing ability of CTD, while NTD of H-REV107 plays an inhibitory role. The solution structure o...
Article
Human TIG3 protein is a member of H-REV107 protein family which belongs to the type II tumor suppressor family. TIG3 can induce apoptosis in cancer cells, and it also possesses Ca2+-independent phospholipase A1/2 activity. The NMR assignments of the N-terminal domain of TIG3 are essential for its solution structure determination.
Article
Full-text available
CD147 is a widely expressed transmembrane protein that mediates signal transduction, and it plays important roles in many physiological and pathological processes, such as tumor invasion and metastasis. The extracellular portion of CD147 (CD147EC) is responsible for its functional interactions with different signaling molecules. Due to the existenc...
Article
GrxS14 is a monothiol Glutaredoxin (Grx) from Populus tremula x tremuloides, which has a CGFS active site. GrxS14 is located in the chloroplasts and has been found to occur ether as an apo form or as a holo form with a [2Fe-2S] cluster. The holo form contains two monomers of apo GrxS14 bridged by the iron sulphur center, in the presence of two exte...
Article
Full-text available
The main protease (M(pro)) of severe acute respiratory syndrome coronavirus (SARS-CoV) plays an essential role in the extensive proteolytic processing of the viral polyproteins (pp1a and pp1ab), and it is an important target for anti-SARS drug development. SARS-CoV M(pro) is composed of a catalytic N-terminal domain and an α-helical C-terminal doma...
Article
Full-text available
Inhibitors of Bcl-XL/Bcl-2 can induce autophagy by releasing the autophagic protein Beclin 1 from its complexes with these proteins. Here we report a novel compound targeting the BH3 binding groove of Bcl-XL/Bcl-2, Z18, which efficiently induces autophagy-associated cell death in HeLa cells, without apparent apoptosis. Unexpectedly, the inhibition...
Article
Full-text available
GrxS14 is a monothiol Glutaredoxin (Grx) from Populus tremula × tremuloides, which has a CGFS active site. GrxS14 is located in the chloroplasts and has been found to occur ether as an apo form or as a holo form with a [2Fe-2S] cluster. The holo form contains two monomers of apo GrxS14 bridged by the iron sulphur center, in the presence of two exte...
Article
H-REV107 is a Ca(2+)-independent phospholipase A(1/2), and it is also a pro-apoptosis protein belonging to the novel class II tumor suppressor family, H-REV107-like family. Here we report the solution structure of the N-terminal catalytic domain of human H-REV107, which has a similar architecture to classical NlpC/P60 domains, even though their fol...
Article
Human H-REV107 protein is the representative of a novel class II tumor suppressor family, which is lost in tumor cells and can induce cell death after restoration. The NMR assignments of the H-REV107 N-terminal domain are essential for its solution structure determination.
Article
Proteolytic processing of viral polyproteins is indispensible for the lifecycle of coronaviruses. The main protease (M(pro)) of SARS-CoV is an attractive target for anti-SARS drug development as it is essential for the polyprotein processing. M(pro) is initially produced as part of viral polyproteins and it is matured by autocleavage. Here, we repo...
Article
Full-text available
Inhibition of Bcl2 family proteins Bcl-X(L) and Bcl-2 represents a promising drug development strategy for cancer treatment by triggering apoptosis in cancer cells. Here we report a novel Bcl-X(L) inhibitor, Z36, which unexpectedly induces only autophagic cell death, but not apoptosis. This special property distinguishes Z36 from other previously r...

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