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Raphael Guzman

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Rajkumar Lakshmanaswamy; Raphael C Guzman; Satyabrata Nandi
Hormonal prevention of breast cancer: significance of promotional environment.
Lakshmanaswamy Rajkumar; Frances S Kittrell; Raphael C Guzman; Powel H Brown; Satyabrata Nandi; Daniel Medina
Hormone-induced protection of mammary tumorigenesis in genetically engineered mouse models.
Yue Ge; Lakshmanswamy Rajkumar; Raphael C Guzman; Satyabrata Nandi; Wayne Patton; Brian J Agnew
Multiplexed fluorescence detection of phosphorylation, glycosylation, and total protein in the proteomic analysis of breast cancer refractoriness.

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All Publications

2008: Rajkumar Lakshmanaswamy; Raphael C Guzman; Satyabrata Nandi
Hormonal prevention of breast cancer: significance of promotional environment.
Advances in experimental medicine and biology 2008;617():469-75.
2007: Lakshmanaswamy Rajkumar; Frances S Kittrell; Raphael C Guzman; Powel H Brown; Satyabrata Nandi; Daniel Medina
Hormone-induced protection of mammary tumorigenesis in genetically engineered mouse models.
Breast cancer research : BCR 2007;9(1):R12.
2004: Yue Ge; Lakshmanswamy Rajkumar; Raphael C Guzman; Satyabrata Nandi; Wayne Patton; Brian J Agnew
Multiplexed fluorescence detection of phosphorylation, glycosylation, and total protein in the proteomic analysis of breast cancer refractoriness.
Proteomics 2004;4(11):3464-7.
2004: Gudmundur Thordarson; Sheila Semaan; Caroline Low; Dafne Ochoa; Harriet Leong; Lakshmanaswamy Rajkumar; Raphael C Guzman; Satyabrata Nandi; Frank Talamantes
Mammary tumorigenesis in growth hormone deficient spontaneous dwarf rats; effects of hormonal treatments.
Breast cancer research and treatment 2004;87(3):277-90.
2004: Lakshmanaswamy Rajkumar; Raphael C Guzman; Jason Yang; Gudmundur Thordarson; Frank Talamantes; Satyabrata Nandi
Prevention of mammary carcinogenesis by short-term estrogen and progestin treatments.
Breast cancer research : BCR 2004;6(1):R31-7.
2002: Robert Cardiff; Howard A Bern; Leslie J Faulkin; Charles W Daniel; Gilbert H Smith; Lawrence J T Young; Daniel Medina; Murray B Gardner; Sefton R Wellings; Gopalan Shyamala; Raphael C Guzman; Lakshmanaswamy Rajkumar; Jason Yang; Gudmundur Thordarson; Satyabrata Nandi; Carol L MacLeod; Robert Glen Oshima; Albert K Man; Earl T Sawai; Jeffrey P Gregg; Anthony T W Cheung; Derick H Lau
Contributions of mouse biology to breast cancer research.
Comparative medicine 2002;52(1):12-31.
2002: Gopalan Shyamala; Yu-Chien Chou; S G Louie; Raphael C Guzman; G H Smith; S Nandi
Cellular expression of estrogen and progesterone receptors in mammary glands: regulation by hormones, development and aging.
The Journal of steroid biochemistry and molecular biology 2002;80(2):137-48.
2001: S Chiou; J Yoo; Kenneth C Loh; Raphael C Guzman; G R Gopinath; Lakshmanaswamy Rajkumar; Yu-Chien Chou; Jason Yang; N C Popescu; Satyabrata Nandi
Identification of rat mammary tumor-1 gene (RMT-1), which is highly expressed in rat mammary tumors.
Cancer letters 2001;174(1):45-55.
2001: Gudmundur Thordarson; A V Lee; M McCarty; Katharine Van Horn; O Chu; Yu-Chien Chou; Jason Yang; Raphael C Guzman; Satyabrata Nandi; Frank Talamantes
Growth and characterization of N-methyl-N-nitrosourea-induced mammary tumors in intact and ovariectomized rats.
Carcinogenesis 2001;22(12):2039-47.
2001: Lakshmanaswamy Rajkumar; Raphael C Guzman; Jason Yang; Gudmundur Thordarson; Frank Talamantes; Satyabrata Nandi
Short-term exposure to pregnancy levels of estrogen prevents mammary carcinogenesis.
Proceedings of the National Academy of Sciences of the United States of America 2001;98(20):11755-9.
2001: Gudmundur Thordarson; Katharine Van Horn; Raphael C Guzman; Satyabrata Nandi; Frank Talamantes
Parous rats regain high susceptibility to chemically induced mammary cancer after treatment with various mammotropic hormones.
Carcinogenesis 2001;22(7):1027-33.
2000: T Tsukamoto; J Yoo; S I Hwang; Raphael C Guzman; Y Hirokawa; Yu-Chien Chou; S Olatunde; T Huang; T K Bera; Jason Yang; Satyabrata Nandi
Expression of MAT1/PEA-15 mRNA isoforms during physiological and neoplastic changes in the mouse mammary gland.
Cancer letters 2000;149(1-2):105-13.
1999: T Tsukamoto; T Huang; Raphael C Guzman; Xing Chen; R V Pascual; T Kitamura; Satyabrata Nandi
Isolation of oncogenes from rat mammary tumors by a highly efficient retrovirus expression cloning system.
Biochemical and biophysical research communications 1999;265(1):7-12.
1999: Yu-Chien Chou; Raphael C Guzman; Steven M Swanson; Jason Yang; H M Lui; V Wu; Satyabrata Nandi
Induction of mammary carcinomas by N-methyl-N-nitrosourea in ovariectomized rats treated with epidermal growth factor.
Carcinogenesis 1999;20(4):677-84.
1999: Raphael C Guzman; Jason Yang; Lakshmanaswamy Rajkumar; Gudmundur Thordarson; Xing Chen; Satyabrata Nandi
Hormonal prevention of breast cancer: mimicking the protective effect of pregnancy.
Proceedings of the National Academy of Sciences of the United States of America 1999;96(5):2520-5.
1998: T J Abrams; Raphael C Guzman; Steven M Swanson; Gudmundur Thordarson; Frank Talamantes; Satyabrata Nandi
Changes in the parous rat mammary gland environment are involved in parity-associated protection against mammary carcinogenesis.
Anticancer research 1998;18(6A):4115-21.
1998: T K Bera; T Tsukamoto; D K Panda; T Huang; Raphael C Guzman; S I Hwang; Satyabrata Nandi
Defective retrovirus insertion activates c-Ha-ras protooncogene in an MNU-induced rat mammary carcinoma.
Biochemical and biophysical research communications 1998;248(3):835-40.
1996: Konstantin Christov-Tzelkov; Raphael C Guzman; Steven M Swanson; Gudmundur Thordarson; F Talamantes; Satyabrata Nandi
Cell proliferation and apoptosis during mammary carcinogenesis in pituitary isografted mice.
Carcinogenesis 1996;17(8):1741-6.
1996: Steven M Swanson; Raphael C Guzman; T Tsukamoto; T T Huang; C D Dougherty; Satyabrata Nandi
N-Ethyl-N-nitrosourea induces mammary cancers in the pituitary-isografted mouse which are histologically and genotypically distinct from those induced by N-methyl-N-nitrosourea.
Cancer letters 1996;102(1-2):159-65.
1996: S I Hwang; Raphael C Guzman; Steven M Swanson; Satyabrata Nandi
Hormone dependent and independent mammary tumor development form N-methyl-N-nitrosourea-treated rat mammary epithelial cell xenografts in the nude mouse: multiple pathways and H-ras activation.
Cancer letters 1996;101(1):123-34.
1995: Jason Yang; T Tsukamoto; N Popnikolov; Raphael C Guzman; X Chen; J H Yang; Satyabrata Nandi
Adenoviral-mediated gene transfer into primary human and mouse mammary epithelial cells in vitro and in vivo.
Cancer letters 1995;98(1):9-17.
1995: Gudmundur Thordarson; E Jin; Raphael C Guzman; Steven M Swanson; Satyabrata Nandi; F Talamantes
Refractoriness to mammary tumorigenesis in parous rats: is it caused by persistent changes in the hormonal environment or permanent biochemical alterations in the mammary epithelia?
Carcinogenesis 1995;16(11):2847-53.
1995: N K Popnikolov; Jason Yang; Raphael C Guzman; Satyabrata Nandi
Reconstituted human normal breast in nude mice using collagen gel or Matrigel.
Cell biology international 1995;19(6):539-46.
1995: Satyabrata Nandi; Raphael C Guzman; Jason Yang
Hormones and mammary carcinogenesis in mice, rats, and humans: a unifying hypothesis.
Proceedings of the National Academy of Sciences of the United States of America 1995;92(9):3650-7.
1995: Steven M Swanson; Raphael C Guzman; G Collins; P Tafoya; Gudmundur Thordarson; F Talamantes; Satyabrata Nandi
Refractoriness to mammary carcinogenesis in the parous mouse is reversible by hormonal stimulation induced by pituitary isografts.
Cancer letters 1995;90(2):171-81.
1995: N K Popnikolov; Jason Yang; Raphael C Guzman; Steven M Swanson; Gudmundur Thordarson; G Collins; F Talamantes; Satyabrata Nandi
In vivo growth stimulation of collagen gel embedded normal human and mouse primary mammary epithelial cells.
Journal of cellular physiology 1995;163(1):51-60.
1995: G K Bandyopadhyay; Lu-Yuan Lee; Raphael C Guzman; Satyabrata Nandi
Effect of reproductive states on lipid mobilization and linoleic acid metabolism in mammary glands.
Lipids 1995;30(2):155-62.
1994: T K Bera; Raphael C Guzman; shigeki miyamoto; D K Panda; M Sasaki; K Hanyu; J Enami; Satyabrata Nandi
Identification of a mammary transforming gene (MAT1) associated with mouse mammary carcinogenesis.
Proceedings of the National Academy of Sciences of the United States of America 1994;91(21):9789-93.
1994: Steven M Swanson; Raphael C Guzman; Konstantin Christov-Tzelkov; shigeki miyamoto; Satyabrata Nandi
Pituitary-isografted mice are highly susceptible to MNU-induced mammary carcinogenesis irrespective of the level of alveolar differentiation.
Carcinogenesis 1994;15(7):1341-6.
1994: Jason Yang; Raphael C Guzman; N Popnikolov; G K Bandyopadhyay; Konstantin Christov-Tzelkov; G Collins; Satyabrata Nandi
Phenotypic characterization of collagen gel embedded primary human breast epithelial cells in athymic nude mice.
Cancer letters 1994;81(2):117-27.
1994: T K Bera; S I Hwang; Steven M Swanson; Raphael C Guzman; M Edery; Satyabrata Nandi
In situ localization of prolactin receptor message in the mammary glands of pituitary-isografted mice.
Molecular and cellular biochemistry 1994;132(2):145-9.
1993: Konstantin Christov-Tzelkov; Steven M Swanson; Raphael C Guzman; Gudmundur Thordarson; E Jin; F Talamantes; Satyabrata Nandi
Kinetics of mammary epithelial cell proliferation in pituitary isografted BALB/c mice.
Carcinogenesis 1993;14(10):2019-25.
1993: L Goya; D B Alexander; M K Webster; F G Kern; Raphael C Guzman; Satyabrata Nandi; Gary L Firestone
Overexpression of transforming growth factor alpha overrides the glucocorticoid-mediated suppression of Con8 mammary tumor cell growth in vitro and in vivo.
Cancer research 1993;53(8):1816-22.
1993: R Sakthivel; M Hamdan; Jason Yang; Raphael C Guzman; Satyabrata Nandi
Effect of TGF-alpha on growth of normal human breast epithelial cells in serum-free primary culture using 3-dimensional collagen gels.
Cell biology international 1993;17(4):387-97.
1992: Raphael C Guzman; R C Osborn; Steven M Swanson; R Sakthivel; S I Hwang; shigeki miyamoto; Satyabrata Nandi
Incidence of c-Ki-ras activation in N-methyl-N-nitrosourea-induced mammary carcinomas in pituitary-isografted mice.
Cancer research 1992;52(20):5732-7.
1992: M A Hamdan; Raphael C Guzman; Jason Yang; Craig Warren Beattie; P Mascharack; Satyabrata Nandi
Depletion of O6-alkylguanine-DNA alkyltransferase by O6-benzylguanine in three-dimensional collagen cultures of normal human breast epithelial cells.
Carcinogenesis 1992;13(10):1743-9.
1992: T P Lin; Raphael C Guzman; R C Osborn; Gudmundur Thordarson; Satyabrata Nandi
Role of endocrine, autocrine, and paracrine interactions in the development of mammary hyperplasia in Wnt-1 transgenic mice.
Cancer research 1992;52(16):4413-9.
1991: T A Dutta-Choudhury; B H Bak; Raphael C Guzman
Cellular levels of O6-methylguanine-DNA methyltransferase in mammary epithelial cells and liver from virgin, pregnant and pituitary grafted mice.
Carcinogenesis 1991;12(10):1795-800.
1991: U K Ehmann; R C Osborn; Raphael C Guzman; L F Fajardo
Cultured proliferating rat mammary epithelial cells.
In vitro cellular & developmental biology : journal of the Tissue Culture Association 1991;27A(9):749-54.
1990: shigeki miyamoto; Raphael C Guzman; R A Shiurba; Gary L Firestone; Satyabrata Nandi
Transfection of activated Ha-ras protooncogenes causes mouse mammary hyperplasia.
Cancer research 1990;50(18):6010-4.
1990: shigeki miyamoto; Saraswati Sukumar; Raphael C Guzman; R C Osborn; Satyabrata Nandi
Transforming c-Ki-ras mutation is a preneoplastic event in mouse mammary carcinogenesis induced in vitro by N-methyl-N-nitrosourea.
Molecular and cellular biology 1990;10(4):1593-9.
1988: Raphael C Guzman; R C Osborn; J C Bartley; Satyabrata Nandi
Metabolism of 7,12-dimethylbenz[a]anthracene by mouse mammary epithelial cells cultured serum-free inside collagen gels.
Cancer letters 1988;40(2):123-32.
1988: shigeki miyamoto; Raphael C Guzman; R C Osborn; Satyabrata Nandi
Neoplastic transformation of mouse mammary epithelial cells by in vitro exposure to N-methyl-N-nitrosourea.
Proceedings of the National Academy of Sciences of the United States of America 1988;85(2):477-81.
1987: U K Ehmann; Raphael C Guzman; R C Osborn; J T Young; Robert Cardiff; S Nandi
Cultured mouse mammary epithelial cells: normal phenotype after implantation.
Journal of the National Cancer Institute 1987;78(4):751-7.
1987: Raphael C Guzman; R C Osborn; J C Bartley; W Imagawa; B B Asch; Satyabrata Nandi
In vitro transformation of mouse mammary epithelial cells grown serum-free inside collagen gels.
Cancer research 1987;47(1):275-80.
1983: Raphael C Guzman; R C Osborn; J E Richards; S Nandi
Effects of phorbol esters on normal and tumorous mouse mammary epithelial cells embedded in collagen gels.
Journal of the National Cancer Institute 1983;71(1):69-73.
1982: Raphael C Guzman; R C Osborn; Jason Yang; K B DeOme; Satyabrata Nandi
Transplantation of mouse mammary epithelial cells grown in primary collagen gel cultures.
Cancer research 1982;42(6):2376-83.
1981: Raphael C Guzman; R C Osborn; K B DeOme
Recovery of transformed nodule and ductal mammary cells from carcinogen-treated C57BL mice.
Cancer research 1981;41(5):1808-11.