1. Academic Background: The Mysterious Link between X Chromosome Inactivation and Aging In mammals, females possess two X chromosomes while males have only one. To maintain gene dosage balance between the sexes, females undergo a process called X chromosome inactivation (XCI) early in development, in which one of the two X chromosomes is randomly s...

Unveiling the Mystery of the Epigenetic Aging Clock: A Review of Research on the Impact of Epigenetic Editing at Single Age-Associated CpG Sites on the Genome-wide Epigenetic Aging Landscape I. Research Background and Scientific Questions Epigenetics, especially DNA methylation, has become a cutting-edge frontier in aging mechanism research in rece...

1. Research Background and Scientific Problem The health of the hematopoietic system is crucial to the proper functioning of the body, with hematopoietic stem cells (HSCs) at its core in maintaining normal blood system operation. HSCs possess self-renewal and multipotent differentiation abilities, capable of generating all types of blood cells, inc...

Molecular Mechanisms of Gut Microbiota and Its Metabolites Mediating Endothelial Cell Senescence During Aging – Interpretation of Latest Results from Nature Aging I. Research Background and Significance Against the backdrop of a deeply aging human society, cardiovascular disease (CVD) has become one of the greatest health threats to the global elde...

1. Research Background and Significance With global population aging on the rise, the incidence of metabolic dysfunction-associated steatohepatitis (MASH, also known as NASH) and related chronic liver diseases such as hepatic fibrosis is increasing year by year. These disorders have become a major focus and challenge in basic and clinical hepatolog...

1. Academic Background and Research Rationale Chronic Kidney Disease (CKD) is a global public health challenge. Epidemiological data indicate that CKD affects approximately 10–12% of the world’s population, acting as a major driver of cardiovascular disease (CVD) mortality worldwide. CKD patients often display “Early Vascular Aging” (EVA) phenomena...

Redefining the Early-Aging Microenvironment in the Liver: Quasi-spatial Single-cell Transcriptomics Reveals Fibrotic Niche Formation and Cellular Heterogeneity Background and Research Motivation Aging is an inevitable process in life, with one of its most significant features being the accumulation of senescent cells within tissues and organs. Thes...

Background: Age-related Heterogeneity in Prostate Cancer and New Opportunities for Precision Medicine Prostate cancer (PCA) is the second most common malignancy and the fifth leading cause of cancer-related death among men worldwide. With the global aging population and the advancement of health screening, the age of onset for prostate cancer has b...

1. Research Background and Academic Significance Alzheimer’s Disease (AD) is the most common form of dementia worldwide, accounting for about 60–80% of all dementia cases. The primary affected population is individuals over 65 years old, with characteristic pathological features including the deposition of amyloid-β plaques, neurofibrillary tangles...

Mitochondria-Enriched Hematopoietic Stem Cells Reveal Enhanced Self-Renewal Activity in Aged Bone Marrow: In-Depth Analysis of the Latest Study in Nature Aging I. Academic Background and Research Significance Hematopoietic stem cells (HSCs) are the essential foundation underlying life-long production of blood and immune cells. However, with aging, ...