Results 231 to 240 of about 140,542 (289)

Resolution of Refractory Multifocal Atrial Tachycardia in Costello Syndrome Using Trametinib: A Case Supporting MEK Inhibitors as Targeted, Specific Antiarrhythmic

open access: yesAmerican Journal of Medical Genetics Part A, Volume 200, Issue 9, Page 2151-2156, September 2026.
ABSTRACT Arrhythmias affect approximately half of patients with Costello syndrome (CS, OMIM # 218040), with non‐reentrant atrial tachycardia being the most common. This case describes an infant with Costello syndrome carrying the pathogenic HRAS c.34G>A (p.G12S) variant who developed early‐onset, drug‐refractory multifocal atrial tachycardia (MAT ...
Vanina Taliercio   +11 more
wiley   +1 more source

Revising NHE‐1: From Cardiac Homeostasis to Heart Failure and Future Drug Development

open access: yesCell Biochemistry and Function, Volume 44, Issue 9, September 2026.
ABSTRACT NHE‐1 is a Na+/H+ exchanger that receives phosphorylation signals, binds calmodulin and responds to neurohormonal input from angiotensin II, endothelin‐1, and adrenergic pathways. In cardiac myocytes, NHE‐1 maintains pH homeostasis and couples to Na+/Ca2+ exchange and mitochondrial ion handling. During heart disease sustained activation drives
Vasileios Bouratzis   +8 more
wiley   +1 more source

Mitochondria as the Hub of Apoptosis: A Comprehensive Insight From Mitochondria to Interactions With Other Organelles

open access: yesMedComm, Volume 7, Issue 9, September 2026.
Mitochondria is the hub of apoptosis in various diseases. The disruption of mitochondrial structure (including membrane rupture, cristae remodeling, and mitochondrial membrane lipid redistribution), the imbalance of mitochondrial dynamics (including fusion and fission, autophagy), the release, disruption, and mutation of mitochondria DNA, as well as ...
Rubin Tan   +9 more
wiley   +1 more source

Review of Congenital Myasthenic Syndrome Caused by Pathogenic Variants in GFPT1

open access: yesMuscle &Nerve, Volume 74, Issue S1, Page S58-S64, September 2026.
ABSTRACT Glutamine:fructose‐6‐phosphate transaminase 1 (GFPT1) catalyzes the first and rate‐limiting step of the hexosamine biosynthetic pathway (HBP) to generate UDP‐GlcNAc. GFPT1 exon 9 is specifically spliced in in striated muscles, which makes a long isoform of GFPT1 (GFPT1‐L).
Kinji Ohno   +5 more
wiley   +1 more source

Proteomic Profiling of Myofiber Repair Annexins and Their Role in Duchenne Muscular Dystrophy

open access: yesPROTEOMICS, Volume 26, Issue 9, Page 6-23, September 2026.
ABSTRACT Myofiber regeneration and membrane repair play crucial roles in maintaining the continuous physiological functioning of the neuromuscular system. A swift and efficient repair mechanism enables the rapid restoration of sarcolemmal integrity following cellular impairment in damaged skeletal muscles.
Paul Dowling   +6 more
wiley   +1 more source

Acute and Chronic Effects of Green Tea Kombucha With and Without Grape Skin Extract on Immune and Oxidative Stress Markers in Beginner Runners: A Randomized Controlled Trial

open access: yesJournal of Food Science, Volume 91, Issue 9, September 2026.
ABSTRACT Green tea kombucha is an antioxidant‐rich beverage with promising health benefits. However, evidence regarding its effects in physically active individuals remains limited. This study investigated the acute and chronic effects of green tea kombucha, with or without grape skin extract, on immune and oxidative stress markers in beginner runners.
Dandara Baia Bonifácio   +7 more
wiley   +1 more source

Aged Mitochondrial DNA Is Associated With Aberrant Acute Exercise‐Induced Redox Responses in Human Skeletal Muscle

open access: yesAging Cell, Volume 25, Issue 9, September 2026.
Findings from this study suggest that aging is accompanied by altered skeletal muscle mitochondrial redox regulation and exercise responsiveness, with decreased mtDNA copy number, increased mtDNA mutation deletion frequency, and selective redox remodeling of key mitochondrial proteins representing potential contributors to these changes. ABSTRACT Redox
Bradley A. Ruple   +11 more
wiley   +1 more source

Ultrastructure of the Epithelium of the Vaginal Complex During the Proestrus and Luteal Phases of the Estrous Cycle in the White‐Eared Opossum (Didelphis albiventris)

open access: yesAnatomia, Histologia, Embryologia, Volume 55, Issue 5, September 2026.
ABSTRACT The white‐eared opossum (Didelphis albiventris) is a Neotropical opportunistic marsupial widely distributed in the Brazilian territory, occupying both open and forest formations. The anatomy of the marsupial female genital tract consists of two ovaries, oviducts, double uterus, two lateral vaginae, vaginal sinus and a urogenital sinus. The two
Bruno Cesar Schimming   +2 more
wiley   +1 more source

ER proteostasis meets mitochondrial function: contact sites as hubs of communication and therapeutic targets

open access: yesThe FEBS Journal, Volume 293, Issue 18, Page 5585-5599, September 2026.
Proteostasis ensures proper protein folding, modification, and degradation, while its impairment triggers ER stress. Chronic ER stress and maladaptive UPR via the CHOP–ERO1 axis remodel ERMCs, altering calcium signaling and mitochondrial metabolism.
Giorgia Maria Renna   +5 more
wiley   +1 more source

Long‐Term Serial Exercise Stress Testing in Catecholaminergic Polymorphic Ventricular Tachycardia on Beta‐Blocker and Flecainide Therapy

open access: yesJournal of Cardiovascular Electrophysiology, Volume 37, Issue 9, Page 1939-1946, September 2026.
ABSTRACT Introduction Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a potentially life‐threatening arrhythmic disorder typically treated with beta‐blockers and, occasionally, with flecainide. Methods All patients underwent genetic testing, electrocardiogram, echocardiogram, and exercise testing.
Fernando Wangüemert‐Perez   +9 more
wiley   +1 more source

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