The influence of phosphoinositide lipids in the molecular biology of membrane proteins: recent insights from simulations DOI Creative Commons

George Hedger,

Hsin-Yung Yen

Journal of Molecular Biology, Journal Year: 2025, Volume and Issue: unknown, P. 168937 - 168937

Published: Jan. 1, 2025

The phosphoinositide family of membrane lipids play diverse and critical roles in eukaryotic molecular biology. Much this biological activity derives from interactions with integral peripheral proteins, leading to modulation protein structure, function, cellular distribution. Since the discovery phosphoinositides 1940s, combined biology, biophysical, structural approaches have made enormous progress untangling vast network interactions. More recently, silico such as dynamics simulations proven be an asset prospectively identifying, characterising, explaining basis these interactions, best cases providing atomic level testable hypotheses on how control function a given protein. This review details number recent seminal discoveries enabled by advanced biomolecular simulation, its integration biology approaches. results simulation studies agree well experimental work, notable arrived at key conclusion several years advance structures. Condensed title:Simulations proteins SUMMARY: Hedger Yen developments proteins.

Language: Английский

GPCR drug discovery: new agents, targets and indications DOI
José A. Lorente, Aleksandr V. Sokolov, Gavin Ferguson

et al.

Nature Reviews Drug Discovery, Journal Year: 2025, Volume and Issue: unknown

Published: March 3, 2025

Language: Английский

Citations

4

Targeting cryptic allosteric sites of G protein-coupled receptors as a novel strategy for biased drug discovery DOI Creative Commons

Xin Qiao,

Xiaolong Li, Mingyang Zhang

et al.

Pharmacological Research, Journal Year: 2025, Volume and Issue: 212, P. 107574 - 107574

Published: Jan. 2, 2025

G protein-coupled receptors (GPCRs) represent the largest family of membrane and are highly effective targets for therapeutic drugs. GPCRs couple different downstream effectors, including proteins (such as Gi/o, Gs, G12, Gq) β-arrestins β-arrestin 1 2) to mediate diverse cellular physiological responses. Biased signaling allows specific activation certain pathways from full range receptors' capabilities. Targeting more variable allosteric sites, which spatially conserved orthosteric represents a novel approach in biased GPCR drug discovery, leading innovative strategies targeting GPCRs. Notably, emergence cryptic sites on has expanded repertoire available improved receptor subtype selectivity. Here, we conduct summary recent progress structural determination elucidate mechanisms induced by modulators. Additionally, discuss means identify design modulators based through structure-based design, is an advanced pharmacotherapeutic treating GPCR-associated diseases.

Language: Английский

Citations

3

Raptin, a sleep-induced hypothalamic hormone, suppresses appetite and obesity DOI Creative Commons

Ling‐Qi Xie,

Biao Hu,

Ren-Bin Lu

et al.

Cell Research, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 29, 2025

Abstract Sleep deficiency is associated with obesity, but the mechanisms underlying this connection remain unclear. Here, we identify a sleep-inducible hypothalamic protein hormone in humans and mice that suppresses obesity. This cleaved from reticulocalbin-2 (RCN2), name it Raptin. Raptin release timed by circuit vasopressin-expressing neurons suprachiasmatic nucleus to RCN2-positive paraventricular nucleus. levels peak during sleep, which blunted sleep deficiency. binds glutamate metabotropic receptor 3 (GRM3) of hypothalamus stomach inhibit appetite gastric emptying, respectively. Raptin-GRM3 signaling mediates anorexigenic effects via PI3K-AKT signaling. Of note, verify connections between deficiencies sleeping state, impaired release, obesity patients Moreover, carrying an RCN2 nonsense variant present night eating syndrome These data define unique food intake prevents

Language: Английский

Citations

2

Neutrophil diversity and function in health and disease DOI Creative Commons

F Zhang,

Yidan Xia,

Jiayang Su

et al.

Signal Transduction and Targeted Therapy, Journal Year: 2024, Volume and Issue: 9(1)

Published: Dec. 5, 2024

Abstract Neutrophils, the most abundant type of granulocyte, are widely recognized as one pivotal contributors to acute inflammatory response. Initially, neutrophils were considered mobile infantry innate immune system, tasked with immediate response invading pathogens. However, recent studies have demonstrated that versatile cells, capable regulating various biological processes and impacting both human health disease. Cytokines other active mediators regulate functional activity by activating multiple receptors on these thereby initiating downstream signal transduction pathways. Dysfunctions in disruptions neutrophil homeostasis been implicated pathogenesis numerous diseases, including cancer disorders, often due aberrant intracellular signaling. This review provides a comprehensive synthesis functions, integrating advancements this field. Moreover, it examines roles signaling pathways involved regulation activity. The pathophysiology diseases emerging therapeutic approaches targeting them also elaborated. addresses current limitations within field research, highlighting critical gaps knowledge warrant further investigation. In summary, seeks establish multidimensional model regulation, providing new perspectives for potential clinical applications research.

Language: Английский

Citations

10

AlphaFold3 versus experimental structures: assessment of the accuracy in ligand-bound G protein-coupled receptors DOI
Xinheng He, Jia Li,

Shi-yi Shen

et al.

Acta Pharmacologica Sinica, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 6, 2024

Language: Английский

Citations

9

Research article for 1st revision to the Chemico-Biological InteractionModulatory roles of capsaicin on thermogenesis in C2C12 myoblasts and the skeletal muscle of mice DOI

Alfin Mohammad Abdillah,

Jae Young Lee,

Young Rok Lee

et al.

Chemico-Biological Interactions, Journal Year: 2025, Volume and Issue: unknown, P. 111380 - 111380

Published: Jan. 1, 2025

Language: Английский

Citations

2

Comprehensive review of extraction, purification, structural characteristics, pharmacological activities, structure-activity relationship and application of seabuckthorn protein and peptides DOI

Guo Chun-qiu,

Ling Na,

Haiyan Tian

et al.

International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: 294, P. 139447 - 139447

Published: Jan. 5, 2025

Language: Английский

Citations

1

Effect of a Low-Molecular-Weight Allosteric Agonist of the Thyroid-Stimulating Hormone Receptor on Basal and Thyroliberin-Stimulated Activity of Thyroid System in Diabetic Rats DOI Open Access
К. В. Деркач, A. S. Pechalnova, V. N. Sorokoumov

et al.

International Journal of Molecular Sciences, Journal Year: 2025, Volume and Issue: 26(2), P. 703 - 703

Published: Jan. 15, 2025

The approaches to correct thyroid deficiency include replacement therapy with hormones (THs), but such causes a number of side effects. A possible alternative is thyroid-stimulating hormone (TSH) receptor activators, including allosteric agonists. aim this work was study the effect ethyl-2-(4-(4-(5-amino-6-(tert-butylcarbamoyl)-2-(methylthio)thieno[2,3-d]pyrimidin-4-yl)phenyl)-1H-1,2,3-triazol-1-yl) acetate (TPY3m), TSH agonist developed by us, on basal and thyroliberin (TRH)-stimulated TH levels hypothalamic-pituitary-thyroid (HPT) axis in male rats high-fat diet/low-dose streptozotocin-induced type 2 diabetes mellitus (T2DM). Single three-day administration TPY3m (i.p., 20 mg/kg) studied, HPT compared that levothyroxine. increased when administered both healthy diabetic rats, normalizing thyroxine triiodothyronine T2DM and, unlike levothyroxine, without negatively affecting or expression hypothalamic pituitary genes responsible for production. pretreatment preserved stimulatory effects TRH gene expression. This indicates absence competition between endogenous activation supported our vitro results TPY3m- TSH-stimulated adenylate cyclase activity rat membranes. Morphological analysis glands after shows an increase its functional destructive changes. To summarize, TPY3m, partial receptor, created as prototype drugs insufficiency T2DM.

Language: Английский

Citations

1

Precision Psychobiotics for Gut–Brain Axis Health: Advancing the Discovery Pipelines to Deliver Mechanistic Pathways and Proven Health Efficacy DOI Creative Commons
Rebecca F. Slykerman, Naomi Davies, Klára Vlčková

et al.

Microbial Biotechnology, Journal Year: 2025, Volume and Issue: 18(1)

Published: Jan. 1, 2025

ABSTRACT Advancing microbiome–gut–brain axis science requires systematic, rational and translational approaches to bridge the critical knowledge gaps currently preventing full exploitation of gut microbiome as a tractable therapeutic target for gastrointestinal, mental brain health. Current research is still marked by many open questions that undermine widespread application humans. For example, lack mechanistic understanding probiotic effects means it remains unclear why even apparently closely related strains exhibit different in vivo. live microbial psychobiotics, consensus on their adjunct treatments conventional neuromodulators, use unmedicated populations or at‐risk cohorts with sub‐clinical symptomatology warranted. This missing information both sides equation when treating central nervous system (CNS) conditions makes psychobiotic challenging, especially compared other pharmaceutical functional food approaches. Expediting transition from positive preclinical data proven benefits humans includes interpreting promises pitfalls animal behavioural assays, well navigating mechanism‐informed decision making select right microbe(s) job. In this review, we consider how these decisions can be supported light accrued range clinical studies across healthy, pathological study populations, where specific have been evaluated context gastrointestinal physiology, function behaviour. Examples successful, partial unsuccessful translation bench bedside are considered. We also discuss developments silico analyses enhanced our moved towards pinpointing host–microbe interactions most important optimal gut–brain function. Combining assays vitro ex vivo domains incorporating model organisms prime discovery pipelines promising rationally selected candidates.

Language: Английский

Citations

1

Cannabinoid receptor 1 ligands: Biased signaling mechanisms driving functionally selective drug discovery DOI
Lei Tian,

Taotao Qiang,

Shanglong Liu

et al.

Pharmacology & Therapeutics, Journal Year: 2025, Volume and Issue: unknown, P. 108795 - 108795

Published: Jan. 1, 2025

Language: Английский

Citations

1