Stress Fibers

Publication Title: 
Investigative Ophthalmology & Visual Science

PURPOSE: To investigate the migratory and contractile behavior of isolated human corneal fibroblasts in fibrillar collagen matrices. METHODS: A telomerase-infected, extended-lifespan human corneal fibroblast cell line (HTK) was transfected by using a vector for enhanced green fluorescent protein (GFP)-alpha-actinin. Cells were plated at low density on top of or within 100-microm-thick fibrillar collagen lattices. After 18 hours to 7 days, time-lapse imaging was performed.

Author(s): 
Vishwanath, Mridula
Ma, Lisha
Otey, Carol A.
Jester, James V.
Petroll, W. Matthew
Publication Title: 
Clinical Cancer Research: An Official Journal of the American Association for Cancer Research

Alteration of actin polymerization and loss of actin filaments is a marker of cellular dedifferentiation and early malignant transformation. To study this phenomenon, an in vitro human urothelial model consisting of two cell lines, HUC-PC and MC-T11, were incorporated into the study design. These two cell lines have different malignant transformation potential. The effect of green tea extract (GTE), a potential anticancer agent, on actin remodeling was investigated.

Author(s): 
Lu, Qing-Yi
Jin, Yu-Sheng
Pantuck, Allan
Zhang, Zuo-Feng
Heber, David
Belldegrun, Arie
Brooks, Mai
Figlin, Robert
Rao, Jianyu
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