Volume 24, number 3 (March), 2009 (published online: January 8, 2009)

	Articles
1	Expression of enzymes involved in synthesis and metabolism of estradiol in human breast as studied by immunocytochemistry and in situ hybridization Z. Li, V. Luu-The, D. Poisson-Paré, J. Ouellet, S. Li, F. Labrie and G. Pelletier pp 273-282
2	Intestinal uptake of amyloid ß protein through columnar epithelial cells in suckling mice Y. Ano, H. Nakayama, A. Sakudo, Y. Sawano, M. Tanokura, S. Itohara and T. Onodera pp 283-292
3	Chondrocyte-like apoptosis in temporomandibular joint disc internal derangement as a repair-limiting mechanism. An in vivo study C. Loreto, G. Musumeci and R. Leonardi pp 293-298
4	Analysis of pRb, p16INK4A proteins and proliferating antigens: PCNA, Ki-67 and MCM5 expression in aggressive fibromatosis (desmoid tumor) L. Stalinska, M. Turant, D. Tosik, J. Sygut, A. Kulig, J. Kopczynski, A. Dziki and T. Ferenc pp 299-308
5	Enhanced CD24 expression in endometrial carcinoma and its expression pattern in normal and hyperplastic endometrium K.H. Kim, J.-S. Choi, J.M. Kim, Y.-L. Choi, Y.K. Shin, H.-C. Lee, I.O. Seong, B.K. Kim, S.W. Chae and S.-H. Kim pp 309-316
6	Time-course changes in neural cell apoptosis in the rat fetal brain from dams treated with 6-mercaptopurine (6-MP) H. Kanemitsu, H. Yamauchi, M. Komatsu, S. Yamamoto, S. Okazaki and H. Nakayama pp 317-324
7	Pulmonary expression of vascular endothelial growth factor (VEGF) and alveolar septation in a newborn rat model exposed to acute hypoxia and recovered under conditions of air or hyperoxia A. Remesal, C. Pedraz, L. San Feliciano and D. Ludeña pp 325-330
8	Langerhans cells in lichen sclerosus of the vulva and lichen sclerosus evolving in vulvar squamous cell carcinoma M.R. Raspollini, G. Baroni and G.L. Taddei pp 331-336
	Reviews
9	Canonical and non-canonical pathways of osteoclast formation H.J. Knowles and N.A. Athanasou pp 337-346
10	Mesenchymal stem cells in connective tissue engineering and regenerative medicine: Applications in cartilage repair and osteoarthritis therapy A. Mobasheri, C. Csaki, A.L. Clutterbuck, M. Rahmanzadeh and M. Shakibaei pp 347-366
11	An overview of the pale and clear cells of the nipple epidermis M.F. Garijo, D. Val and J.F. Val-Bernal pp 367-376
12	Lymph node lymphangiogenesis: a new concept for modulating tumor metastasis and inflammatory process R.C. Ji pp 377-384
13	Dysregulation of Hedgehog, Wnt and Notch signalling pathways in breast cancer S.J. Zardawi, S.A. O’Toole, R.L. Sutherland and E.A. Musgrove pp 385-398