Weak synchronization can alter circadian period length: implications for aging and disease conditions DOI Creative Commons
Jihwan Myung, Sungho Hong, Christoph Schmal

и другие.

Frontiers in Neuroscience, Год журнала: 2023, Номер 17

Опубликована: Сен. 27, 2023

The synchronization of multiple oscillators serves as the central mechanism for maintaining stable circadian rhythms in physiology and behavior. Aging disease can disrupt synchronization, leading to changes periodicity activities. While our understanding clock under has advanced significantly, less is known about its behavior outside which also fall within a predictable domain. These states not only impact stability but modulate period length. In C57BL/6 mice, aging, diseases, removal peripheral often result lengthened behavioral periods. Here, we show that these be explained by surprisingly simple mathematical relationship: frequency reciprocal period, distribution becomes skewed when symmetric. synchronized population macroscopic combined differ, accounting some atypical outputs observed networks without synchronization. Building on this finding, investigate dynamics context aging disease, where weakened.

Язык: Английский

The impact of aging and oxidative stress in metabolic and nervous system disorders: programmed cell death and molecular signal transduction crosstalk DOI Creative Commons
Kenneth Maiese

Frontiers in Immunology, Год журнала: 2023, Номер 14

Опубликована: Ноя. 8, 2023

Life expectancy is increasing throughout the world and coincides with a rise in non-communicable diseases (NCDs), especially for metabolic disease that includes diabetes mellitus (DM) neurodegenerative disorders. The debilitating effects of disorders influence entire body significantly affect nervous system impacting greater than one billion people disability peripheral as well cognitive loss, now seventh leading cause death worldwide. Metabolic disorders, such DM, neurologic remain significant challenge treatment care individuals since present therapies may limit symptoms but do not halt overall progression. These clinical challenges to address interplay between warrant innovative strategies can focus upon underlying mechanisms aging-related oxidative stress, cell senescence, death. Programmed pathways involve autophagy, apoptosis, ferroptosis, pyroptosis play critical role oversee processes include insulin resistance, β-cell function, mitochondrial integrity, reactive oxygen species release, inflammatory activation. silent mating type information regulation 2 homolog 1

Язык: Английский

Процитировано

20

The Metabolic Basis for Nervous System Dysfunction in Alzheimer’s Disease, Parkinson’s Disease, and Huntington’s Disease DOI
Kenneth Maiese

Current Neurovascular Research, Год журнала: 2023, Номер 20(3), С. 314 - 333

Опубликована: Июль 25, 2023

Disorders of metabolism affect multiple systems throughout the body but may have greatest impact on both central and peripheral nervous systems. Currently available treatments behavior changes for disorders that include diabetes mellitus (DM) system diseases are limited cannot reverse disease burden. Greater access to healthcare a longer lifespan led an increased prevalence metabolic neurodegenerative disorders. In light these challenges, innovative studies into underlying pathways offer new treatment perspectives Alzheimer's Disease, Parkinson's Huntington's Disease. Metabolic intimately tied can lead debilitating outcomes, such as multi-nervous disease, susceptibility viral pathogens, long-term cognitive disability. Novel strategies robustly address involve careful consideration cellular metabolism, programmed cell death pathways, mechanistic target rapamycin (mTOR) its associated mTOR Complex 1 (mTORC1), 2 (mTORC2), AMP-activated protein kinase (AMPK), growth factor signaling, risk factors apolipoprotein E (APOE-ε4) gene. Yet, complex necessitate comprehensive understanding achieve clinical outcomes susceptibility, onset, progression.

Язык: Английский

Процитировано

15

Circadian regulation in aging: Implications for spaceflight and life on earth DOI Creative Commons
Deeksha Malhan, Britt Schoenrock,

Müge Yalçin

и другие.

Aging Cell, Год журнала: 2023, Номер 22(9)

Опубликована: Июль 26, 2023

Abstract Alterations in the circadian system are characteristic of aging on Earth. With decline physiological processes due to aging, several health concerns including vision loss, cardiovascular disorders, cognitive impairments, and muscle mass loss arise elderly populations. Similar risks reported as “red flag” among astronauts during after a long‐term Space exploration journey. However, little is known about common molecular alterations underlying terrestrial space‐related astronauts, controversial conclusions have been recently reported. In light regulatory role clock maintenance human health, we review here overlapping both Earth spaceflight with focus four most affected systems: visual, cardiovascular, central nervous, musculoskeletal systems. this review, briefly introduce specific cellular followed by those aging. We next summarize associated spaceflight, highlighting involved clock‐regulated genes space flown Drosophila , nematodes, small mammals, astronauts. Finally, discuss that altered terms their expression spaceflight. Altogether, data elaborated strengthen our hypothesis regarding timely need include dysregulation an emerging hallmark beyond.

Язык: Английский

Процитировано

13

From Pregnancy to Breastfeeding: The Role of Maternal Exercise in Preventing Childhood Obesity DOI Open Access
Valeria Calcaterra, Hellas Cena, Agnese Pirazzi

и другие.

Nutrients, Год журнала: 2025, Номер 17(4), С. 660 - 660

Опубликована: Фев. 12, 2025

Low adherence to healthy lifestyle behaviors during pregnancy and lactation is strongly associated with a higher risk of childhood obesity. This narrative review aims elucidate summarize the pivotal role played by physical activity (PA) breastfeeding, highlighting potential mechanisms linking PA in these periods prevention Maternal exercise breastfeeding significantly reduces obesity enhancing fetal metabolism, supporting maternal weight management, promoting improved practices. Pregnancy postpartum period represent critical windows for implementing preventive strategies that benefit both mother child. Encouraging an active vital public health strategy extensive benefits. Healthcare professionals play crucial creating supportive environments providing tailored guidance empower mothers engage regular PA. approach not only enhances individual outcomes but also contributes broader goal fostering healthier communities.

Язык: Английский

Процитировано

0

Age-Related Macular Degeneration and Circadian Preference DOI Creative Commons
Estefany Garces-Delgado,

Katarzyna Slota,

Michael Stewart

и другие.

Clinical ophthalmology, Год журнала: 2025, Номер Volume 19, С. 899 - 905

Опубликована: Март 1, 2025

Purpose: Age-related macular degeneration (AMD) is the leading cause of blindness in developed nations. Within retina, a subset cells, called melanopsin-containing intrinsically photosensitive retinal ganglion cells , are implicated circadian rhythms, prompting search for potential connection between behavior and AMD. Our objective was to compare chronotype (ie, preference morning or evening activity) individuals with AMD that those without ocular conditions. Patients Methods: The Horne-Östberg Morningness-Eveningness questionnaire administered previously screened patients wet who received bilateral anti–vascular endothelial growth factor eye injections (study participants) as well pathology (controls). Thirty-one study participants 19 controls completed survey were included analysis. We used Wilcoxon rank sum test Fisher exact continuous categorical variables respectively. Results: Study had higher median age compared (83 vs 75, P < 0.001). No significant difference body mass index observed respondents. While disparity responses generally not statistically significant, more struggled attending exercises 7:00 8:00 (45% 21%, =0.02). Additionally, fewer expressed need sleep before 10:15 pm (55% 63%, =0.04). tended have delayed sleep-wake cycle. Conclusion: In this pilot study, encountered greater challenges exercise controls. Nonetheless, there no could serve foundation extensive research exploring interplay vision loss rhythms. Plain Language Summary: Researchers connections particularly focusing on certain eye. This aimed daily activity preferences (chronotypes) identify their preference. Findings indicated experienced prefer later bedtimes Despite these trends, groups. suggests may exhibit cycle encounter difficulties activities. However, further necessary fully understand relationship Keywords: chronotypes, rhythm, maculopathy, surveys questionnaires

Язык: Английский

Процитировано

0

Innovative therapeutic strategies for cardiovascular disease. DOI
Kenneth Maiese

PubMed, Год журнала: 2023, Номер 22, С. 690 - 715

Опубликована: Янв. 1, 2023

As a significant non-communicable disease, cardiovascular disease is the leading cause of death for both men and women, comprises almost twenty percent deaths in most racial ethnic groups, can affect greater than twenty-five million individuals worldwide over age twenty, impacts global economies with far-reaching financial challenges. Multiple factors onset that include high serum cholesterol levels, elevated blood pressure, tobacco consumption secondhand smoke exposure, poor nutrition, physical inactivity, obesity, concurrent diabetes mellitus. Yet, addressing any these cannot completely eliminate or progression disorders. Novel strategies are necessary to target underlying mechanisms. The silent mating type information regulation 2 homolog 1 (Saccharomyces cerevisiae) (SIRT1), histone deacetylase, limit injury, assist stem cell development, oversee metabolic homeostasis through nicotinamide adenine dinucleotide (NAD+) pathways, foster trophic factor protection, control senescence modulation telomere function. Intimately tied SIRT1 pathways mammalian forkhead transcription (FoxOs) which modulate cardiac reduce oxidative stress, repair microcirculation disturbances, atherogenesis autophagy, apoptosis, ferroptosis. AMP activated protein kinase (AMPK) also critical among oversight cellular metabolism, insulin sensitivity, mitochondrial function, inflammation, susceptibility viral infections such as severe acute respiratory syndrome coronavirus impact disease. relationship intricate complex requires detailed insight successfully translate into clinical care

Язык: Английский

Процитировано

7

Sleep Pathologies and Eating Disorders: A Crossroad for Neurology, Psychiatry and Nutrition DOI Open Access
Carlotta Mutti,

Giulia Malagutti,

Valentina Maraglino

и другие.

Nutrients, Год журнала: 2023, Номер 15(20), С. 4488 - 4488

Опубликована: Окт. 23, 2023

The intricate connection between eating behaviors and sleep habits is often overlooked in clinical practice, despite their profound interdependence. Sleep plays a key role modulating psychological, hormonal metabolic balance exerting an influence on food choices. Conversely, various disorders may affect continuity, sometimes promoting the development of pathologies. Neurologists, nutritionists psychiatrists tend to focus these issues separately, resulting failure recognize full extent conditions. This detrimental separation can lead underestimation, misdiagnosis inappropriate therapeutic interventions. In this review, we aim provide comprehensive understanding tangled relationship sleep, pathologies disorders, by incorporating perspective experts, psychologists psychiatrists. Our goal identify practical crossroad integrating expertise all involved specialists.

Язык: Английский

Процитировано

7

Biological clock and circadian rhythm of breast milk composition DOI
Ceren Akanalçı, Saniye Bilici

Chronobiology International, Год журнала: 2024, Номер 41(8), С. 1226 - 1236

Опубликована: Июль 22, 2024

Breast milk provides numerous benefits for both the baby and mother, making it a unique valuable food. The World Health Organization United Nations International Children's Emergency Found (UNICEF) state that exclusive breastfeeding in first six months of life is an important strategy reducing mortality morbidity infants. circadian rhythm formation, which starts mother's womb, continues after born. plays active role regulating baby's through hormones, basic immune factors bioactive components contains, as well meeting almost all nutritional elements babies. Since neural control mechanisms newborn are not yet fully developed, breast undertakes task helping biological rhythms regulation infant's sleep-wake cycles, thanks to some its composition. There studies showing contains high levels cortisol amino acids promote activity during day, while night has melatonin tryptophan, micronutrients vary throughout day. A better understanding displayed by composition improving maternal infant health. there many affecting milk, recommended should be done on country or regional basis, policies can developed result results obtained.

Язык: Английский

Процитировано

2

Risk of Fat Mass- and Obesity-Associated Gene-Dependent Obesogenic Programming by Formula Feeding Compared to Breastfeeding DOI Open Access
Bodo C. Melnik, Ralf Weiskirchen, Wolfgang Stremmel

и другие.

Nutrients, Год журнала: 2024, Номер 16(15), С. 2451 - 2451

Опубликована: Июль 28, 2024

It is the purpose of this review to compare differences in postnatal epigenetic programming at level DNA and RNA methylation later obesity risk between infants receiving artificial formula feeding (FF) contrast natural breastfeeding (BF). FF bears aberrant enhances expression demethylase fat mass- obesity-associated gene (FTO), pointing further deviations methylome. Based on a literature search through Web Science, Google Scholar, PubMed databases concerning dietary factors influencing FTO protein activity, FTO’s impact adipogenic was investigated. Accumulated translational evidence underscores that total intake as well tryptophan, kynurenine, branched-chain amino acids, milk exosomal miRNAs, NADP, NADPH are crucial regulators modifying activity. Increased FTO-mTORC1-S6K1 signaling may epigenetically suppress WNT/β-catenin pathway, enhancing adipocyte precursor cell proliferation adipogenesis. Formula-induced FTO-dependent alterations N6-methyladenosine (m6A) methylome represent novel unfavorable molecular events development adipogenesis obesity, necessitating investigations. BF provides physiological regulation, compelling reason rely BF.

Язык: Английский

Процитировано

2

Chronobiotic and cytoprotective activity of melatonin in the cardiovascular system. Doses matter DOI Creative Commons

Daniel P. Cardinali,

Daniel E. Vigo

Deleted Journal, Год журнала: 2024, Номер 1(1)

Опубликована: Сен. 9, 2024

Язык: Английский

Процитировано

2