Dihydrotanshinone triggers porimin-dependent oncosis by ROS-mediated mitochondrial dysfunction in non-small-cell lung cancer

D Zhang, R Yuan, J Pan, Q Fan, K Sun, Z Xu… - International Journal of …, 2023 - mdpi.com
Lung cancer is one of the leading causes of cancer death. Non-small-cell lung cancer
(NSCLC) accounts for the majority of lung cancer diagnoses. Dihydrotanshinone (DHT) is a …

Dual role of the S5 segment in type 1 ryanodine receptor channel gating

T Murayama, Y Otori, N Kurebayashi… - Communications …, 2024 - nature.com
The type 1 ryanodine receptor (RyR1) is a Ca2+ release channel in the sarcoplasmic
reticulum that is essential for skeletal muscle contraction. RyR1 forms a channel with six …

Zinc pyrithione ameliorates colitis in mice by interacting on intestinal epithelial TRPA1 and TRPV4 channels

M Zhang, X Chen, L Zhang, J Li, C Sun, G Zhou, H Wan… - Life Sciences, 2024 - Elsevier
Aims Although zinc pyrithione (ZPT) has been studied as topical antimicrobial and cosmetic
consumer products, little is known about its pharmacological actions in gastrointestinal (GI) …

A potent and selective cis-amide inhibitor of ryanodine receptor 2 as a candidate for cardiac arrhythmia treatment

R Ishida, N Kurebayashi, H Iinuma, X Zeng… - European Journal of …, 2023 - Elsevier
Abstract Ryanodine receptor 2 (RyR2) is a Ca 2+ release channel mainly located on the
sarcoplasmic reticulum (SR) membrane of heart muscle cells and regulates the …

An inherited life-threatening arrhythmia model established by screening randomly mutagenized mice

Y Okabe, N Murakoshi… - Proceedings of the …, 2024 - National Acad Sciences
Inherited arrhythmia syndromes (IASs) can cause life-threatening arrhythmias and are
responsible for a significant proportion of sudden cardiac deaths (SCDs). Despite progress …

Novel Calmodulin Variant p. E46K Associated With Severe Catecholaminergic Polymorphic Ventricular Tachycardia Produces Robust Arrhythmogenicity in Human …

J Gao, T Makiyama, Y Yamamoto… - Circulation …, 2023 - Am Heart Assoc
Background: CaM (calmodulin) is a ubiquitously expressed, multifunctional Ca2+ sensor
protein that regulates numerous proteins. Recently, CaM missense variants have been …

TRPV4 couples with NCX1 to mediate glucose‐dependent glucagon‐like peptide‐1 release and improve glucose homeostasis

X Chen, F Chu, S Sunchen, J Li, M Zhang… - The Journal of …, 2024 - Wiley Online Library
Although glucose, as a secretagogue of intestinal hormone, can stimulate glucagon‐like
peptide 1 (GLP‐1) release, it has not been fully elucidated how glucose triggers GLP‐1 …

Screening for novel RyR2 inhibitors by ER Ca2+ monitoring

M Takenaka, M Kodama, T Murayama… - bioRxiv, 2023 - biorxiv.org
Type 2 ryanodine receptor (RyR2) is a Ca2+ release channel on the endoplasmic/
sarcoplasmic reticulum (ER/SR) that plays a central role in the excitation-contraction …

Discovery and Structure–Activity Relationship of a Ryanodine Receptor 2 Inhibitor

R Ishida, X Zeng, N Kurebayashi… - Chemical and …, 2024 - jstage.jst.go.jp
Abstract Ryanodine receptor 2 (RyR2) is a large Ca 2+-release channel in the sarcoplasmic
reticulum (SR) of cardiac muscle cells. It serves to release Ca 2+ from the SR into the cytosol …

A novel RyR2-selective stabilizer prevents and ameliorates severe arrhythmias in stress-induced ventricular tachycardia

N Kurebayashi, M Kodama, T Murayama, M Konishi… - bioRxiv, 2024 - biorxiv.org
Background: Excessive activation of the type 2 ryanodine receptor (RyR2) causes lethal
arrhythmias such as catecholaminergic polymorphic ventricular tachycardia (CPVT) …