在高性浮液平原体中表达p16的表达
Katie R Xu1, Kord Honda1,2, Bethany R Rohr1,2
1Case Western Reserve University School of Medicine, Cleveland, OH; and.
The American Journal of dermatopathology
|February 6, 2025
概括
细胞质p16过度表达在高性平面 (HLP) 表明在恶性转变为状细胞癌 (SCC) 中发挥了作用. 这项研究比较了HPL,SCC和正常皮肤中的p16表达.
科学领域:
- 皮肤病学 皮肤病学
- 在瘤学瘤学.
- 分子生物学分子生物学
背景情况:
- 皮肤状细胞癌 (SCC) 源于高平 (HLP) 是罕见的,但占大多数恶性转变.
- 在HLP中恶性病原体的机制是未知的,但p16可能起作用,正如类似的前恶性疾病所暗示的那样.
- 这项研究是首次研究HPL与SCC和正常皮肤之间的p16表达.
研究的目的:
- 为了研究p16表达在高性平坦 (HLP).
- 为了比较HPL中的p16表达与皮肤侵入性状细胞癌 (SCC) 和正常皮肤.
- 探索p16表达对HLP向SCC恶性转化的影响.
主要方法:
- 在HPL (n=34),分化良好的SCC (WDSCC) 和正常皮肤上进行了p16免疫组织化学测试.
- 分析包括阳性细胞的百分比,染色强度 (核和细胞质) 和分布模式.
- 评估由两位经过董事会认证的皮肤病理学家进行.
主要成果:
- 与正常皮肤相比,HLP和WDSCC的p16阳性细胞显著增加 (P < 0.001).
- 与WDSCC相比,在HLP中细胞质p16过度表达 (P<0.05).
- HLP和WDSCC表现出基底和基上角质细胞染色,表面染色较弱. WDSCC显示了焦点细胞质边缘化.
结论:
- 在HLP中细胞质p16过度表达表明了p16介导的细胞周期失调的潜在机制.
- p16过度表达是HLP恶性转化为SCC的潜在贡献者.
- 对p16在HLP进展中的作用进行进一步的研究是有必要的.
相关概念视频
Abnormal Proliferation
4.4K
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
4.4K
Multipotency and Niche of Bulge Stem Cell
3.4K
A hair follicle or HF is a small part of the skin that produces the hair shaft. Paul Gerson Unna was the first to observe a bulge in the human hair follicle's outer root sheath (ORS). The bulge is present between the sebaceous gland and the arrector pili muscle and is the niche for hair follicle stem cells (HFSCs). The bulge is also a niche for melanocyte stem cells, and their loss results in graying of hair. The HFSCs express Sox9 and Lhx2, which help them maintain stemness and prevent...
3.4K


