Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:3.4.21.1 (chymotrypsin)
10,938 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Supernatants from 24 hr cultures of PHA-pulsed human T lymphocytes inhibit the migration of human peripheral blood T lymphocytes and guinea pig macrophages in vitro. The factor responsible for the inhibition of T lymphocytes provisionally called TIF (T cell migration inhibitory factor) was separated from MIF by preparative PAGE, had apparent molecular weight (m.w.) of 1,000-10,000 daltons and isoelectric point of 3.1. TIF activity was resistant to treatment with trypsin, chymotrypsin and neuraminidase but sensitive to PMSF (phenyl-methyl-sulfonyl-fluoride). This suggests that TIF is presumably different from human MIF and may represent a novel lymphokine which preferentially affects T cell migration in vitro.
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PMID:Partial purification and physicochemical properties of human T cell migration inhibitory factor (TIF). 639 62