Evidence map›Paper›PMID 30017071›Full record

ArticleBiophysical journal2018

Lipoprotein Particle Formation by Proapoptotic tBid.

Vindana Ekanayake, Danielle Nisan, Pavel Ryzhov, Yong Yao, Francesca M Marassi

Open access · bronzeAbstract read
In one paragraph

Article in Biophysical journal, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.1field-weighted citation impact, top 52% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed, 2 citations in OpenAlex.

  1. Apoptotic mitochondrial poration by a growing list of pore-forming BCL-2 family proteins.BioEssays : news and reviews in molecular, cellular and developmental biology · 2023
    Article
  2. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

Vindana EkanayakeCancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California.
Danielle NisanCancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California.
Pavel RyzhovCancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California.
Yong YaoCancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California.
Francesca M MarassiCancer Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California. Electronic address: fmarassi@sbp.edu.
Discovery Institute · USSanford Burnham Prebys Medical Discovery Institute · US

Funding

Tumor Microenvironment and Cancer ImmunologyP30CA030199 · NCI · SANFORD BURNHAM PREBYS MEDICAL DISCOVERY INSTITUTE · PI Michael Jackson · 1985 to 2026
$107.2M
Membrane Protein Effectors of Pathogen Interactions With HostR35GM118186 · NIGMS · SANFORD BURNHAM PREBYS MEDICAL DISCOVERY INSTITUTE · PI Francesca M Marassi · 2016 to 2026
$8.5M
Molecular mechanism of BCL2-dependent apoptosisR01CA179087 · NCI · SANFORD BURNHAM PREBYS MEDICAL DISCOVERY INSTITUTE · PI HANEIN, DORIT, MARASSI, FRANCESCA M · 2014 to 2018
$3.6M
NCI NIH HHS P30 CA030199NCI NIH HHS R01 CA179087NIGMS NIH HHS R35 GM118186
6 · The paper itself

Abstract

The interactions of Bcl-2 family proteins with intracellular lipids are essential for the regulation of apoptosis, a mechanism of programmed cell death that is central to the health and development of multicellular organisms. Bid and its caspase-8 cleavage product, tBid, promote the permeabilization of the mitochondrial outer membrane and sequester antiapoptotic Bcl-2 proteins to counter their cytoprotective activity. Bid and tBid also promote lipid exchange, a characteristic trait of apoptosis. Here, we show that tBid is capable of associating with phospholipids to form soluble, nanometer-sized lipoprotein particles that retain binding affinity for the antiapoptotic protein Bcl-xL. The tBid lipoprotein particles form with a lipid/protein stoichiometry in the range of 20/1 and have a diameter of ∼11.5 nm. Lipoparticle-bound tBid retains an α-helical structure and binds Bcl-xL through its third Bcl-2 homology motif, forming a soluble, lipid-associated heteroprotein complex. The results shed light on the role of lipids in mediating Bcl-2 protein mobility and interactions.

Indexed as

Sequence DeletionAmino Acid SequenceApoptosisBH3 Interacting Domain Death Agonist ProteinLipoproteinsPermeabilityProtein BindingProtein Conformation, alpha-HelicalSolubilityBH3 Interacting Domain Death Agonist ProteinLipoproteins

Identifiers

PMID30017071
PMCPMC6084415
OpenAlexW2811274372

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.