相关实验视频
Updated: Jan 16, 2026

08:18
Induction and Validation of Cellular Senescence in Primary Human Cells
Published on: June 20, 2018
17.9K
通过天然产品和干细胞驱动的再生,追求健康的衰老和长寿
Di Wu1, Qinzheng Xu2, Shuang Wu1
1School of Medicine, Nantong University, Nantong 226001, China.
Biochemical pharmacology
|September 25, 2025
概括
细胞衰老驱动衰老和疾病. 老化疗法和天然化合物通过向衰老细胞,显示出健康衰老的希望,但需要个性化治疗.
科学领域:
- 老年学是指老年学的学科.
- 细胞生物学 细胞生物学
- 分子生物学分子生物学
背景情况:
- 衰老是一个生理衰退和疾病风险增加的生物过程.
- 细胞衰老,一个关键的衰老标志,涉及细胞循环停止和促炎SASP,加剧组织功能障碍.
- 老化药和静止药旨在清除或使衰老细胞复原,在衰老和疾病模型中显示出潜力.
研究的目的:
- 为了审查细胞衰老的机制.
- 探索植物化学品和干细胞疗法的抗衰老作用,特别是在卵巢复发中.
- 讨论面临的挑战和发展个性化抗衰老干预措施的未来方向.
主要方法:
- 文献综述专注于细胞衰老机制.
- 对老化和静止疗法研究的分析.
- 对自然产品 (植物化学品) 和用于衰老和复发的干细胞疗法的研究进行审查.
主要成果:
- 细胞衰老及其相关的分泌表型 (SASP) 显著促进衰老和炎症.
- 包括泛尼诺斯塔特在内的老化疗法显示出潜力,但面临着诸如非目标效应等挑战.
- 自然产品和干细胞疗法在与年龄相关的疾病和卵巢再生模型中表现出有效性.
结论:
- 准细胞衰老是健康衰老的一个有希望的策略.
- 植物化学品和干细胞疗法提供潜在的抗衰老益处.
- 开发个性化,多目标疗法对于有效调节衰老轨迹和实现健康衰老至关重要.
相关概念视频
Tissue Renewal without Stem Cells
2.1K
After cellular or tissue damage, the resident stem cells present in the human body can locally repair and regenerate the damaged tissue or organ. However, even though some tissues do not have stem cells, they can repair and regenerate with the help of pre-existing cells. For example, beta cells of the pancreas and hepatocytes of the liver can divide to renew and regenerate the tissue. Here, both cell division and cell death are well regulated by homeostasis.
However, failure of such a system...
However, failure of such a system...
2.1K
Whole Body Regeneration
4.0K
Regeneration is the process of restoring injured or lost tissues, organs, or body parts. While simpler organisms generally show greater ability to regenerate their whole body, few complex animals show similarly exceptional regeneration. For example, planarian flatworms have a unique regenerative potential making them a popular study organism among biologists to understand the mechanisms of whole body regeneration. Other organisms, such as hydra, also show extreme regeneration potential;...
4.0K
The Effect of Aging on Tissues
3.4K
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
3.4K
Aging
605
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
605
Renewal of Skin Epidermal Stem Cells
3.0K
The skin is divided into epidermis, dermis, and hypodermis, the skin's outermost, middle, and inner layers. The human epidermal layer regularly undergoes renewal, where old, dead cells are replaced by new cells. Epidermal stem cells or EpiSCs divide and differentiate to restore the lost cells. For the renewal process, some EpiSCs continuously self-renew. In contrast, few others differentiate into transit-amplifying cells, which later form prickle or spinous cells, followed by granular...
3.0K
Stem Cell Therapy for Tissue Regeneration
4.6K
Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
4.6K

