1. Developments in plant cell culture highlight Orlando Meeting

   • Indra K. Vasil

   Editorial Pages: 977 - 977

2. Progesterone production and release in cultured placental tissue from diabetic and normal rats fed high calcium

   • Susan M. Reiziss
   • Brenda Alston-Mills
   • Larry Douglass

   Letter to the Editor Pages: 978 - 979

3. Locomotory behavior of fibroblasts in “sail-sheets”

   • Satish C. Tripathi

   Regular Papers Pages: 980 - 986

4. Fish cell line (ULF-23HU) derived from the fin of the central mudminnow (Umbra limi): Suitable characteristics for clastogenicity assay

   • Eun-Ho Park
   • Jae-Seong Lee
   • Hisami Etoh

   Regular Papers Pages: 987 - 994

5. Effects of different concentrations of serum on cartilage growth in an organ culture system

   • R. Shurtz-Swirski
   • D. Lewinson
   • M. Silbermann

   Regular Papers Pages: 995 - 999

6. Human epidermis reconstructed in vitro: A model to study keratinocyte differentiation and its modulation by retinoic acid

   • Marcelle Regnier
   • Michel Darmon

   Regular Papers Pages: 1000 - 1008

7. Effect of retinoids on growth factor-induced anchorage independent growth of human fibroblasts

   • Helen J. Palmer
   • Veronica M. Maher
   • J. Justin Mc Cormick

   Regular Papers Pages: 1009 - 1015

8. Development and characterization of primary cultures of smooth muscle cells from the fibromuscular stroma of the guinea pig prostate

   • Carmela Ricciardelli
   • David J. Horsfall
   • Wayne D. Tilley

   Regular Papers Pages: 1016 - 1024

9. Limited cell attachment time as a method to synchronize cells grown in monolayer culture

   • Paul G. Held
   • James W. Doyle
   • Kilambi Janakidevi

   Regular Papers Pages: 1025 - 1030

10. In vitro toxicity of solubilized 2,3,4-trimethylpentane I. Cytotoxicity and metabolism of TMP using primary hepatocytes

    • N. J. Delraso
    • D. R. Mattie
    • C. S. Godin

    Regular Papers Pages: 1031 - 1038

11. Contraction of collagen by human fibroblasts and keratinocytes

    • Jan E. M. Souren
    • Maria Ponec
    • Roeland van Wijk

    Regular Papers Pages: 1039 - 1045

12. Variable responsiveness of rat tracheal epithelial cells to bovine serum albumin in serum-free culture

    • David G. Thomassen

    Regular Papers Pages: 1046 - 1050

13. Isolation of alveolar epithelial cells from lung tissue obtained at autopsy

    • Donald L. Shapiro
    • Jacob N. Finkelstein
    • Thor van Diver

    Regular Papers Pages: 1051 - 1054

14. 5′-nucleotidase activity in cultured cell lines. Effect of different assay conditions and correlation with cell proliferation

    • Javier Turnay
    • Nieves Olmo
    • Maria A. Lizarbe

    Regular Papers Pages: 1055 - 1061

15. Initiation and ultrastructure of a reptilian fibroblast cell line obtained from cutaneous fibropapillomas of the green turtle,Chelonia mydas

    • Joanne L. Mansell
    • Elliott R. Jacobson
    • Jack M. Gaskin

    Regular Papers Pages: 1062 - 1064

16. Optimization of culture conditions for human corneal endothelial cells

    • Katrin Engelmann
    • Peter Friedl

    Regular Papers Pages: 1065 - 1072

17. Induction of microspore embryogenesis inBrassica napus L. by gamma irradiation and ethanol stress

    • P. M. Pechan
    • W. A. Keller

    Plant Cellular and Developmental Biology Pages: 1073 - 1074

18. Loss of soybean trypsin inhibitor in callus as monitored by inhibition enzyme immunoassay

    • D. M. Wrigley
    • M. B. Lindsay
    • R. J. Lebowitz

    Plant Cellular and Developmental Biology Pages: 1075 - 1078