1. Interleukin 1 interacts synergistically with forskolin and isobutylmethylxanthine in stimulating bone resorption in organ culture

   • Floyd E. Dewhirst
   • Joanne M. Ago
   • Philip Stashenko

   Laboratory Investigations Pages: 1 - 7

2. Osteoclasts and a small population of peripheral blood cells share common surface antigens

   • Teuvo A. Hentunen
   • Juha Tuukkanen
   • H. Kalervo Väänänen

   Laboratory Investigations Pages: 8 - 17

3. Regional patterns of bone loss and altered bone remodeling in response to calcium deprivation in laboratory rabbits

   • D. D. Wu
   • R. D. Boyd
   • David B. Burr

   Laboratory Investigations Pages: 18 - 23

4. Neo-osteogenesis of haversian trabeculae through a bone chamber implanted in a rabbit tibial cortex: A control model

   • H. Winet
   • J. Y. Bao
   • R. Moffat

   Laboratory Investigations Pages: 24 - 34

5. The effect of strain on bone cell prostaglandin E₂ release: A new experimental method

   • D. W. Murray
   • N. Rushton

   Laboratory Investigations Pages: 35 - 39

6. Immunohistochemical localization of α₂HS glycoprotein in dentinHS glycoprotein in dentin

   • Yuzo Takagi
   • Hitoyata Shimokawa
   • Satoshi Sasoki

   Laboratory Investigations Pages: 40 - 45

7. In vitro calcium transport properties of skeletal muscle mitochondria from vitamin D-deficient and 1,25-dihydroxy-vitamin D₃-treated chicks

   • Juana Selles
   • Ricardo L. Boland

   Laboratory Investigations Pages: 46 - 50

8. Changes in osteonectin distribution and levels are associated with mineralization of the chicken tibial growth cartilage

   • Maurizio Pacifici
   • Osamu Oshima
   • Phoebe S. Leboy

   Molecular and Cellular Biology Pages: 51 - 61

9. Announcements

   Announcement Pages: 62 - 62