Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or...
Reexamination Certificate
2006-10-31
2006-10-31
Canella, Karen A. (Department: 1643)
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
C436S501000
Reexamination Certificate
active
07129039
ABSTRACT:
Novel genes expressed selectively by long-term dendritic cell (DC) lines (XS series) from murine epidermis which retain important features of resident epidermal Langerhans cells (LC) are provided. These genes encode distinct type II membrane-integrated polypeptides, each consisting of a cytoplasmic domain, a transmembrane domain, an extracellular connecting domain, and a C-terminal extracellular domain that exhibits significant homology to the carbohydrate recognition domains (CRD) of C-type lectins. Expression of both genes is highly restricted to cells of DC lineage (including epidermal LC). Thus, these genes encode new, DC-specific members of the C-type lectin family, now termed “DC-associated C-type lectin-1 and -2” (dectin-1 and dectin-2). Two isoforms of the dectin-1 molecule and five isoforms of the dectin-2 molecule have also been identified. The invention further provides His-tagged fusion proteins comprising 6× histidine and the extracellular domain of dectin-1 or dectin-2. Also provided are antibodies raised to synthetic peptides designed from the dectin-1 sequence or to the His-tagged fusion proteins described.
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Ariizumi Kiyoshi
Takashima Akira
Board of Regents , The University of Texas System
Canella Karen A.
Fulbright & Jaworski LLP
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