proto-

pref.

表示“第一，主要”之义；

Thematic Proto-Roles and Argument Selection
The p53 proto-oncogene can act as a suppressor of transformation.
Erratum: The proto-oncogene Bcl-2 and its role in regulating apoptosis
Studies of the HER-2/neu proto-oncogene in human breast and ovarian cancer.
Targeted disruption of the c-src proto-oncogene leads to osteopetrosis in mice
Isolation of monoclonal antibodies specific for human c-myc proto-oncogene product
Disruption of the proto-oncogene int-2 in mouse embryo-derived stem cells: a general strategy for targeting mutations to non-selecta...
Identification of the hepatocyte growth factor receptor as the c-met proto-oncogene product
Neonatal lethality and lymphopenia in mice with a homozygous disruption of the c-abl proto-oncogene
Specific activation of microRNA-127 with downregulation of the proto-oncogene BCL6 by chromatin-modifying drugs in human cancer cells