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A gene on chromosome 6p21.3 that encodes a receptor tyrosine kinase belonging to the subfamily homologous to Dictyostelium discoideum protein discoidin (Discoidin Domain-containing Receptor); it is expressed only in epithelial cells (kidney, lung, GI tract, brain) and involved in cell–cell interactions and recognition.

Molecular pathology
DDR1 is overexpressed in various tumours.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


Abbrev. for Diploma in Diagnostic Radiology.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
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It therefore proposed not to limit the royalties that Rambus could impose for the use of its technologies that were incorporated into the second-generation DDR SDRAM standard.
DDR SDRAM data is sampled relative to both edges of the input clock, doubling the effective data rate/bandwidth of the memory over SDR SDRAM devices.
(Nasdaq:ISSI),, San Jose, Calif., a company in advanced memory solutions, has introduced a family of 512Mb DDR SDRAMs with speeds up to 200Mhz, targeted for automotive, communications, and industrial applications.
(7.) "PC1600 and PC2100 DDR SDRAM Unbuffered DIMM Design Specification," Revision 1.1, June 29, 2001, p.
-- 1.42 GHz PowerPC G4 processor; -- 512MB of 333 MHz DDR SDRAM, expandable to 1GB; -- 80GB Ultra ATA hard drive; -- Combo (DVD-ROM/CD-RW) optical drive; -- ATI Radeon 9200 graphics processor with 32MB video memory; -- one FireWire 400 and two USB 2.0 ports; -- 10/100 BASE-T Ethernet networking; -- built-in AirPort Extreme wireless networking and Bluetooth; -- DVI or VGA out (adapter included), composite/S-video out with optional adapter; and -- built-in speaker and headphone/line out.
Additionally, the system includes ATI Mobility RADEON 9600 graphics, 512MB of DDR SDRAM expandable to 1.2GB, 802.11g wireless and the vibrant 15.4-inch widescreen display.
* Intel Centrino mobile technology * Up to 2GB 333MHz DDR SDRAM memory * Integrated Gigabit 10/100/1000 Ethernet * ATI Mobility Radeon 9700 graphics solution (64MB or 128MB) * Integrated smart card reader and Touchchip fingerprint scanner for added security * Tool-less removable hard drive * Modular floppy drive or second battery * 2 PCMCIA card slots, 2 USB 2.0, 1 parallel, 1 serial and 1 PS/2 port * Integrated mini PCI wireless option for 802.11b/g * 6-in-1 media reader option for the optical device bay * Choice of 14.1" XGA or 15.0" SXGA+ display
Pricing starts at GBP1,149 for a model with a 1.33GHz processor, 12-inch screen, 256MB of 333MHz DDR SDRAM, AirPort Extreme wireless networking and a 60GB Ultra ATA/100 hard drive.
For example, the multi-ported DDR SDRAM memory controller can be used seamlessly in conjunction with the ARM926 System CoreWare IP.
The DMV-182 has dual 700 MHz Motorola 7455 processors with Altivec technology and on-chip L2 cache pushing 1Gbyte of DDR Sdram with ECC for sustained high memory bandwidth.