February 25, 2002
In Print Photo by Steve Gilbert Focus: Unexpected Immune Pathway Linked to Rheumatoid Arthritis Research by Diane Mathis (above), Christophe Benoist, and colleagues shows that in a mouse model of rheumatoid arthritis a surprising protein cascade contributes to joint destruction. The findings may help explain why a systemic immune reaction causes disease only locally in the joints. BBS Bulletin HMI World HSTconnector InteliHealth MD-PhD Newsletter MedEd News Mentations On The Brain		Headlines Does Hormone Replacement Therapy Improve Quality of Life? Violent Death Among Children Linked to Household Firearms Upcoming Harvard Health Caucus Policy Roundtable Series: Health Care Education in the Developing World: Bridging Global and Local Health Care Practices Thursday March 7 5:30 p.m.		Spotlight Photo by Pam Murray Cell Veil Lifted on Actin Activity Using a technique to highlight individual actin molecules, Naoki Watanabe (left) and Tim Mitchison have discovered that the protein aggregates into fibers throughout the cell's veil-like lamellipodium, a flat, projecting rim that circles the cell and is associated with cell movement. The team's report counters the popular conception that actin grows only at the leading edge. Student Scene Photo by Jeff Cleary A Laureate's Lesson: Ideas Outshine Data After translating a 1908 paper by German Nobelist Paul Ehrlich, Jan Schmollinger awoke to the scientist's penetrating vision and the danger of data to clutter observation and insight.

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