Michael B. Sporn

Genetic versus chemoprotective activation of Nrf2 signaling: overlapping yet distinct gene expression profiles between Keap1 knockout and triterpenoid-treated mice (2009)

Yates, Melinda S., Tran, Quynh T., Dolan, Patrick M., Osburn, William O., Shin, Soona, McCulloch, Colin C., ...

Loss of NF-E2-related factor 2 (Nrf2) signaling increases susceptibility to acute toxicity, inflammation and carcinogenesis in mice due to the inability to mount adaptive responses. In contrast,...

Retinoid X receptor and peroxisome proliferator-activated receptor-gamma agonists cooperate to inhibit matrix metalloproteinase gene expression (2008)

Burrage, Peter S, Schmucker, Adam C, Ren, Yanqing, Sporn, Michael B, Brinckerhoff, Constance E

Abstract Introduction We recently described the ability of retinoid X receptor (RXR) ligand LG100268 (LG268) to inhibit interleukin-1-beta (IL-1-β)-driven matrix metalloproteinase-1 ( MMP-1 ) and...

The synthetic triterpenoid CDDO-methyl ester modulates microglial activities, inhibits TNF production, and provides dopaminergic neuroprotection (2008)

Tran, Thi A, McCoy, Melissa K, Sporn, Michael B, Tansey, Malú G

Abstract Background Recent animal and human studies implicate chronic activation of microglia in the progressive loss of CNS neurons. The inflammatory mechanisms that have neurotoxic effects and...

Genetic or Pharmacologic Amplification of Nrf2 Signaling Inhibits Acute Inflammatory Liver Injury in Mice (2008)

Osburn, William O., Yates, Melinda S., Dolan, Patrick D., Chen, Sining, Liby, Karen T., Sporn, Michael B., ...

Oxidative stress–mediated destruction of normal parenchymal cells during hepatic inflammatory responses contributes to the pathogenesis of immune-mediated hepatitis and is implicated in the...

CDDO-Imidazolide inhibits growth and survival of c-Myc-induced mouse B cell and plasma cell neoplasms (2006)

Han, Seong-Su, Peng, Liangping, Chung, Seung-Tae, DuBois, Wendy, Maeng, Sung-Ho, Shaffer, Arthur L, ...

Abstract Background Gene-targeted iMyc Eμ mice that carry a His 6 -tagged mouse Myc (c- myc )cDNA, Myc His , just 5' of the immunoglobulin heavy-chain enhancer, Eμ, are prone to B cell and plasma...

New Approaches to Chemoprevention of Breast Cancer. (2003)

Sporn, Michael B.

Triterpenoids, natural products related to steroids and retinoids, represent an important class of new structures for drug discovery, with potential applications in many fields of medicine,...

New Approaches to Chemoprevention of Breast Cancer. (2003)

Sporn, Michael B.

Triterpenoids, natural products related to steroids and retinolds, represent an important class of new structures for drug discovery, with potential applications in many fields of medicine,...

Triterpenoids and Prevention of Prostate Cancer (2003)

Sporn, Michael B.

This entire project is based on the hypothesis that we can design and develop new synthetic triterpenoids that would eventually be useful for chemoprevention of prostate cancer. With the known...

Triterpenoids and Prevention of Prostate Cancer (2003)

Sporn, Michael B.

This entire project is based on the hypothesis that we can design and develop new synthetic triterpenoids that would eventually be useful for chemoprevention of prostate cancer. With the known...

Chemoprevention of cancer (2000)

Sporn, Michael B., Suh, Nanjoo

In this short article, we review the conceptual basis for chemoprevention of cancer, the proven clinical efficacy of this concept, and current trends to develop new chemopreventive agents based on...

Randomized Trial of Fenretinide to Prevent Second Breast Malignancy in Women With Early Breast Cancer (1999)

Veronesi, Umberto, De Palo, Giuseppe, Marubini, Ettore, Costa, Alberto, Formelli, Franca, Mariani, Luigi, ...

BACKGROUND: Fenretinide, a vitamin A analogue, has been shown to inhibit breast carcinogenesis in preclinical studies. We determined the efficacy of fenretinide in preventing a second breast...

New Triterpenoids for Prevention of Breast Cancer (1998)

Sporn, Michael B.

We have shown that the synthetic triterpenoid, 2-cyano-3,12-dioxooleana-1,9-dien-28-oic acid (CDDO) is a highly potent inhibitor of the proliferation of several ER-positive and ER-negative human...

Workshop on growth factors (1991)

Crowther, Derek, Sporn, Michael B., Roberts, Anita B., Durie, Brian G. M.

The ‘Workshop on Growth Factors’ which took place at the Lugano Lymphoma Conference on June 8, 1990, included a presentation by Michael Sporn on the concept that loss of inhibitory control...

2′-O-Methylation of Adenosine, Guanosine, Uridine, and Cytidine in RNA of Isolated Rat Liver Nuclei

Al-Arif, Adhid, Sporn, Michael B.

Nuclei isolated from rat liver, when incubated with methyl-labeled S-adenosylmethionine, incorporated label into 2′-O-methyladenosine, 2′-O-methylguanosine, 2′-O-methyluridine, and...

Extremely potent triterpenoid inducers of the phase 2 response: Correlations of protection against oxidant and inflammatory stress

Dinkova-Kostova, Albena T., Liby, Karen T., Stephenson, Katherine K., Holtzclaw, W. David, Gao, Xiangqun, Suh, Nanjoo, ...

A series of synthetic triterpenoid (TP) analogues of oleanolic acid are powerful inhibitors of cellular inflammatory processes such as the induction by IFN-γ of inducible nitric oxide synthase...

Human Immunodeficiency Virus Type 1-Induced Macrophage Gene Expression Includes the p21 Gene, a Target for Viral Regulation

Vázquez, Nancy, Greenwell-Wild, Teresa, Marinos, Nancy J., Swaim, William D., Nares, Salvador, Ott, David E., ...

In contrast to CD4+ T cells, human immunodeficiency virus type 1 (HIV-1)-infected macrophages typically resist cell death, support viral replication, and consequently, may facilitate HIV-1...

2′-O-Methylation of Adenosine, Guanosine, Uridine, and Cytidine in RNA of Isolated Rat Liver Nuclei

Al-Arif, Adhid, Sporn, Michael B.

Nuclei isolated from rat liver, when incubated with methyl-labeled S-adenosylmethionine, incorporated label into 2′-O-methyladenosine, 2′-O-methylguanosine, 2′-O-methyluridine, and...

Extremely potent triterpenoid inducers of the phase 2 response: Correlations of protection against oxidant and inflammatory stress

Dinkova-Kostova, Albena T., Liby, Karen T., Stephenson, Katherine K., Holtzclaw, W. David, Gao, Xiangqun, Suh, Nanjoo, ...

A series of synthetic triterpenoid (TP) analogues of oleanolic acid are powerful inhibitors of cellular inflammatory processes such as the induction by IFN-γ of inducible nitric oxide synthase...

Human Immunodeficiency Virus Type 1-Induced Macrophage Gene Expression Includes the p21 Gene, a Target for Viral Regulation

Vázquez, Nancy, Greenwell-Wild, Teresa, Marinos, Nancy J., Swaim, William D., Nares, Salvador, Ott, David E., ...

In contrast to CD4+ T cells, human immunodeficiency virus type 1 (HIV-1)-infected macrophages typically resist cell death, support viral replication, and consequently, may facilitate HIV-1...

THE ISOLATION OF CELL NUCLEI FROM RAT BRAIN

Sporn, Michael B., Wanko, Theodor, Dingman, Wesley

A method for preparing highly pure cell nuclei from adult rat brain, using both differential and isopycnic centrifugation in sucrose media, is described. The morphology of these preparations was...

CDDO induces granulocytic differentiation of myeloid leukemic blasts through translational up-regulation of p42 CCAAT enhancer–binding protein alpha

Koschmieder, Steffen, D'Alò, Francesco, Radomska, Hanna, Schöneich, Christine, Chang, Ji Suk, Konopleva, Marina, ...

2-Cyano-3,12-dioxooleana-1,9-dien-28-oic acid (CDDO) induces differentiation and apoptosis of tumor cells in vitro and in vivo. Here we assessed the effects of CDDO on CCAAT enhancer–binding...

The Synthetic Triterpenoid 2-Cyano-3,12-dioxooleana-1,9-dien-28-oic Acid-Imidazolide Alters Transforming Growth Factor β-dependent Signaling and Cell Migration by Affecting the Cytoskeleton and the Polarity Complex*S⃞

To, Ciric, Kulkarni, Sarang, Pawson, Tony, Honda, Tadashi, Gribble, Gordon W., Sporn, Michael B., ...

The anti-tumor synthetic triterpenoid 2-cyano-3,12-dioxooleana-1,9-dien-28-oic acid (CDDO)-imidazolide (CDDO-Im) ectopically activates the transforming growth factor β (TGFβ)-Smad pathway and...

Targeting Nrf2 with the triterpenoid CDDO- imidazolide attenuates cigarette smoke-induced emphysema and cardiac dysfunction in mice

Sussan, Thomas E., Rangasamy, Tirumalai, Blake, David J., Malhotra, Deepti, El-Haddad, Hazim, Bedja, Djahida, ...

Chronic obstructive pulmonary disease (COPD), which comprises emphysema and chronic bronchitis resulting from prolonged exposure to cigarette smoke (CS), is a major public health burden with no...