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PURPOSE To investigate the ability of fibroblast growth factor (FGF) 2-saporin to prevent lens regrowth in the rabbit. METHODS Chemically conjugated and genetically fused FGF2-saporin (made in Escherichia coli) were used. Extracapsular extraction of the lens was performed on the rabbit, and the cytotoxin either was injected directly into the capsule bag… (More)
PURPOSE To test the ability of two preparations of FGF2-saporin, either FGF2 chemically conjugated to saporin (FGF2-SAP) or genetically engineered FGF2-saporin (rFGF2-SAP) to inhibit the growth of bovine epithelial lens (BEL) cells in vitro when in solution and when immobilized on heparin surface-modified (HSM) polymethylmethacrylate (PMMA) intraocular… (More)
A fluorometric assay for determining endothelial cell numbers based on the endogenous enzyme acid phosphatase is described. In preliminary studies, three substrates--p-nitrophenyl phosphate, 4-methylumbelliferyl phosphate, and 2'-[2-benzthiazoyl]-6'-hydroxy-benthiazole phosphate (AttoPhos)--were compared with respect to their kinetic, optimum assay… (More)
A histologically verified porokeratosis arose in a burn scar on the back of a 47-year-old man. This phenomenon has not been previously reported. We discuss the literature on porokeratosis, the relation between epidermal and dermal injury, and the genesis of this lesion.
A variety of screening methodologies is available to identify lead compounds. Screening methods that would permit the direct use of libraries made via the Radiofrequency Encoded Combinatorial chemistry paradigm (each individual small molecule in the library is presented separately on an individual encoded support) have the potential to diminish burdensome… (More)
Scleroderma-like skin lesions are one sequela of phenylketonuria. We describe a child with phenylketonuria and associated dermal connective tissue changes consistent with early inflammatory scleroderma. The severity of the skin lesions apparently waned with dietary restriction of phenylalanine.
BACKGROUND Multinucleate cell angiohistiocytoma is a newly described entity; examples from the United States have not yet been reported. OBJECTIVE Our purpose was to analyze the clinical and histologic features of this entity and confirm or refute its existence. METHODS Seven cases were analyzed clinically and by light microscopy. RESULTS… (More)