H<sub>2</sub>S-Mediated Dilation of Pial Arteries in Rats of Different Ages: Contribution of K<sub>ATP </sub>and BK<sub>Ca</sub>-Channels DOI
О. П. Горшкова, И. Б. Соколова

Российский физиологический журнал им  И  М  Сеченова, Journal Year: 2023, Volume and Issue: 109(8), P. 1094 - 1107

Published: Aug. 1, 2023

Reactions of pial arteries to exogenous hydrogen sulfide exposure and assessment the contribution KATP BKCa-channels H2S-mediated dilation was studied in rats different ages. Intravital microphotography Sprague-Dawley aged 4 18 months used study reactions various diameters donor solution – sodium hydrosulfide (NaHS, 30 μM), as well their change with preliminary use potassium channel blockers: (glibenclamide, 10 μM) BKCa (tetraethyl ammonium, 2 mM). It found that inhibition increase constrictor responses are taking place age. Age-related changes H2S-induced dilatory response depend on size vessels. With age, there is a decrease number dilations diameter more than 20 μm. At same time, aging does not affect dilatation smaller arteries. These disorders probably associated processes caused by activation channels. accompanied increasing KATP-channels implementation less 40 decreases In months, rats, these channels barely participate

Language: Английский

Dietary flavonoid actions on senescence, aging, and applications for health DOI
Bruce A. Watkins, Alyson E. Mitchell, Andrew C. Shin

et al.

The Journal of Nutritional Biochemistry, Journal Year: 2025, Volume and Issue: unknown, P. 109862 - 109862

Published: Feb. 1, 2025

Language: Английский

Citations

3

Aging as a loss of morphostatic information: A developmental bioelectricity perspective DOI
Léo Pio-Lopez, Michael Levin

Ageing Research Reviews, Journal Year: 2024, Volume and Issue: 97, P. 102310 - 102310

Published: April 17, 2024

Language: Английский

Citations

12

Multifunctional scaffolds for bone repair following age-related biological decline: Promising prospects for smart biomaterial-driven technologies DOI
Jonathan Schwartzman,

Max McCall,

Yasmine Ghattas

et al.

Biomaterials, Journal Year: 2024, Volume and Issue: 311, P. 122683 - 122683

Published: June 28, 2024

Language: Английский

Citations

9

Morphoceuticals: Perspectives for discovery of drugs targeting anatomical control mechanisms in regenerative medicine, cancer and aging DOI Creative Commons
Léo Pio-Lopez, Michael Levin

Drug Discovery Today, Journal Year: 2023, Volume and Issue: 28(6), P. 103585 - 103585

Published: April 12, 2023

Morphoceuticals are a new class of interventions that target the setpoints anatomical homeostasis for efficient, modular control growth and form. Here, we focus on subclass: electroceuticals, which specifically cellular bioelectrical interface. Cellular collectives in all tissues form networks via ion channels gap junctions process morphogenetic information, controlling gene expression allowing cell to adaptively dynamically pattern formation. Recent progress understanding this physiological system, including predictive computational models, suggests targeting interfaces can embryogenesis maintain shape against injury, senescence tumorigenesis. We propose roadmap drug discovery focused manipulating endogenous bioelectric signaling regenerative medicine, cancer suppression antiaging therapeutics.

Language: Английский

Citations

15

Calcium Phosphate‐Induced Injury in Kidney Tubular Cells—Supersaturated Solution vs Preformed Crystals DOI Open Access

Onyebuchi C. Ukaeje,

Sanjit K. Roy, Samuel Shin

et al.

Journal of Biochemical and Molecular Toxicology, Journal Year: 2025, Volume and Issue: 39(2)

Published: Jan. 30, 2025

ABSTRACT Crystalline nephropathy (CN) is characterized by deposition of microcrystals within the kidney tubular microstructure, specifically in renal cells. Nephropathic conditions have been observed stone patients as nephrocalcinosis, resulting from calcium phosphate (CaP) mainly tubule. CaP trigger nephrotoxicity and cell death leading to acute chronic disease some cases end stage disease. Although supersaturation (Ca 2+ )‐ (PO 4 3− ) ions urine was described a main factor precise mechanism distinguishing impact supersaturated solution vs crystalline substances unclear. Here we show differential effect preformed crystal (as CaP) on degree type using murine line, LLCPK1. We examined cellular [cell viability, lactate dehydrogenase (LDH) H 2 O releases Annexin+ propidium iodide (PI) staining] molecular events [gene expressions, oxidative endoplasmic reticular (ER) stress] towards understanding CN. The results study demonstrated that exerts injury LLCPK1 addition showed stronger necrosis than crystals shown PI staining LDH . Overall, revealed novel differentiating between insult mediated crystals.

Language: Английский

Citations

0

Sex‐stratified genome‐wide meta‐analysis identifies novel loci for cognitive decline in older adults DOI Creative Commons

Vibha Acharya,

Kang‐Hsien Fan,

Beth E. Snitz

et al.

Alzheimer s & Dementia, Journal Year: 2025, Volume and Issue: 21(3)

Published: March 1, 2025

Many complex traits and diseases show sex-specific biases in clinical presentation prevalence. To understand genetic architecture of cognitive decline across five domains (attention, memory, executive function, language, visuospatial function) global we performed sex-stratified genome-wide meta-analysis 3021 older adults aged ≥ 65 years (female = 1545, male 1476) from three prospective cohorts. Gene-based gene-set enrichment analyses were conducted for each trait. We identified a novel significant (GWS) intergenic locus memory males near RPS23P3 on chromosome 4 (rs6851574: minor allele frequency [MAF] 0.39, Pmale 4.10E-08, βmale 0.19; Pinteraction 3.76E-04). also subthreshold GWS function 12 females the NDUFA12 gene, involved oxidative phosphorylation (rs11107823: MAF 0.12, Pfemale 9.35E-08, βfemale 0.28; 7.42E-06). Sex-aware studies can help identification loci enhance understanding decline. Our single variants two new associations, one females. The association was observed with region gene 4. This has previously been implicated several brain cognition related traits, including anatomical aging, shape, educational attainment. female-specific which is phosphorylation. Sex-stratified offer biological pathways aging.

Language: Английский

Citations

0

A comprehensive study of a rare pathogenic CFTR gene variant G1047S in two siblings DOI
Diana Mokrousova, Anna Efremova,

Yu. L. Melyanovskaya

et al.

PULMONOLOGIYA, Journal Year: 2025, Volume and Issue: 35(2), P. 230 - 240

Published: April 18, 2025

Most of the known pathogenic variants CFTR gene are rare. Studying these allows us to gain new knowledge about pathogenesis cystic fibrosis, assess variability its manifestations among patients, and optimize therapeutic approaches. The aim was comprehensively study a rare variant G1047S (c.3139G>A, p.(Gly1047Ser)) in two siblings, including description clinical picture, functional assessment channel ex vivo by determining intestinal current measurement (ICM) forskolin-induced swelling (FIS) assay effect modulators vitro organoids. Methods. case history presented. ICM used membrane channels epithelium. FIS organoids patients sensitivity ivacaftor, lumacaftor, tezacaftor, elexacaftor. Results. missense is but “mild” since residual function observed. results tests consistent with picture: siblings have pancreatic sufficiency, no nutritional deficiency, course disease. ivacaftor + tezacaftor elexacaftor therapy can be recommended for organoid model shows restoration activity. Conclusion. “mild”, lower combination targeted drugs compared F508del/F508del.

Language: Английский

Citations

0

Cadmium, Cellular Senescence, and Cancer DOI
Heng Wee Tan, Daniel L. T. Seen, Yan‐Ming Xu

et al.

Reviews of Environmental Contamination and Toxicology, Journal Year: 2023, Volume and Issue: 261(1)

Published: Sept. 1, 2023

Language: Английский

Citations

6

Modern approaches to developing a system of valid methods for monitoring individual health and maintaining active longevity DOI
Н.Б. Корчажкина, Mikhaĭlova Aa, I.V. Reshetova

et al.

Problems of Balneology Physiotherapy and Exercise Therapy, Journal Year: 2023, Volume and Issue: 100(6), P. 6 - 6

Published: Jan. 1, 2023

Life expectancy In Russia in 2023, according to preliminary data, exceeded 73 years, returning the pre-pandemic level. The increase life is associated both with an improvement quality of medical care and a more responsible attitude towards health citizens, which confirmed by nutrition, decrease alcohol consumption number people involved sports. At same time, there are many signs aging, cellular molecular, some main ones genome stability, telomere shortening, epigenetic alterations, impaired proteostasis nutrient recognition, mitochondrial dysfunction, depletion stem cell pool changes intercellular interactions, extracellular matrix rigidity, as well retrotransposon activation chronic inflammation. For these reasons, modern healthcare, tasks preventing premature aging treating age-related diseases becoming priorities.

Language: Английский

Citations

6

H2S-Mediated Dilation of Pial Arteries in Rats of Different Ages: Contribution of KATP and BKCa Channels DOI
О. П. Горшкова, И. Б. Соколова

Journal of Evolutionary Biochemistry and Physiology, Journal Year: 2023, Volume and Issue: 59(4), P. 1414 - 1425

Published: July 1, 2023

Language: Английский

Citations

1