Regulation of phospholipid distribution in the lipid bilayer by flippases and scramblases

T Sakuragi, S Nagata - Nature Reviews Molecular Cell Biology, 2023 - nature.com
Cellular membranes function as permeability barriers that separate cells from the external
environment or partition cells into distinct compartments. These membranes are lipid …

Procoagulant Phosphatidylserine-Exposing Platelets in vitro and in vivo

EC Reddy, ML Rand - Frontiers in cardiovascular medicine, 2020 - frontiersin.org
The physiological heterogeneity of platelets leads to diverse responses and the formation of
discrete subpopulations upon platelet stimulation. Procoagulant platelets are an example of …

Lipid scrambling is a general feature of protein insertases

D Li, C Rocha-Roa, MA Schilling… - Proceedings of the …, 2024 - National Acad Sciences
Glycerophospholipids are synthesized primarily in the cytosolic leaflet of the endoplasmic
reticulum (ER) membrane and must be equilibrated between bilayer leaflets to allow the ER …

Antiviral HIV-1 SERINC restriction factors disrupt virus membrane asymmetry

SA Leonhardt, MD Purdy, JR Grover, Z Yang… - Nature …, 2023 - nature.com
The host proteins SERINC3 and SERINC5 are HIV-1 restriction factors that reduce infectivity
when incorporated into the viral envelope. The HIV-1 accessory protein Nef abrogates …

[HTML][HTML] The groovy TMEM16 family: molecular mechanisms of lipid scrambling and ion conduction

V Kalienkova, VC Mosina, C Paulino - Journal of Molecular Biology, 2021 - Elsevier
The TMEM16 family of membrane proteins displays a remarkable functional dichotomy–
while some family members function as Ca 2+-activated anion channels, the majority of …

The role of phosphatidylserine on the membrane in immunity and blood coagulation

J Wang, C Yu, J Zhuang, W Qi, J Jiang, X Liu… - Biomarker …, 2022 - Springer
The negatively charged aminophospholipid, phosphatidylserine (PtdSer), is located in the
inner leaflet of the plasma membrane in normal cells, and may be exposed to the outer …

Structural basis for the activation of the lipid scramblase TMEM16F

M Arndt, C Alvadia, MS Straub… - Nature …, 2022 - nature.com
TMEM16F, a member of the conserved TMEM16 family, plays a central role in the initiation
of blood coagulation and the fusion of trophoblasts. The protein mediates passive ion and …

Molecular basis of PIP2-dependent regulation of the Ca2+-activated chloride channel TMEM16A

SC Le, Z Jia, J Chen, H Yang - Nature communications, 2019 - nature.com
The calcium-activated chloride channel (CaCC) TMEM16A plays crucial roles in regulating
neuronal excitability, smooth muscle contraction, fluid secretion and gut motility. While …

TMEM16 and OSCA/TMEM63 proteins share a conserved potential to permeate ions and phospholipids

AJ Lowry, P Liang, M Song, Y Wan, ZM Pei, H Yang… - Elife, 2024 - elifesciences.org
The calcium-activated TMEM16 proteins and the mechanosensitive/osmolarity-activated
OSCA/TMEM63 proteins belong to the Transmembrane Channel/Scramblase (TCS) …

Structural heterogeneity of the ion and lipid channel TMEM16F

Z Ye, N Galvanetto, L Puppulin, S Pifferi… - Nature …, 2024 - nature.com
Abstract Transmembrane protein 16 F (TMEM16F) is a Ca2+-activated homodimer which
functions as an ion channel and a phospholipid scramblase. Despite the availability of …