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Articles 1 - 6 of 6
Full-Text Articles in Amino Acids, Peptides, and Proteins
Stat-Independent Functions Of Janus Kinases 1 And 2 Are Obligatory For The Postnatal Development Of Mammary Epithelial Ducts, Rayane Dennaoui, Madison N. Wicker, Carson Moen, Michaela Schlederer, Kerry Vistisen, Aleata A. Triplett, Thomas Rülicke, Hallgeir Rui, Lukas Kenner, Emilio Casanova, Kay-Uwe Wagner
Stat-Independent Functions Of Janus Kinases 1 And 2 Are Obligatory For The Postnatal Development Of Mammary Epithelial Ducts, Rayane Dennaoui, Madison N. Wicker, Carson Moen, Michaela Schlederer, Kerry Vistisen, Aleata A. Triplett, Thomas Rülicke, Hallgeir Rui, Lukas Kenner, Emilio Casanova, Kay-Uwe Wagner
Department of Pharmacology, Physiology, and Cancer Biology Faculty Papers
Janus kinases 1 and 2 and STAT transcription factors are critical signaling nodes for numerous growth factors. In the mammary gland, JAK2 and STAT5a/b are essential for alveolar cell differentiation and lactation, but little is known about the cooperative roles of JAKs and STATs before pregnancy. We examined female mice conditionally deficient in JAK1/2 and discovered that both kinases jointly regulate epithelial cell proliferation and ductal morphogenesis. To assess the role of downstream STATs, we generated genetic models co-deficient in STAT3/5a/5b with or without STAT1 or JAK1. Although loss of STAT3/5a/5b leads to a JAK1-dependent upregulation of STAT1, the formation …
The C-Terminal Phdvc5hch Tandem Domain Of Nsd2 Is A Combinatorial Reader Of Modified H3k4 And Tri-Methylated H3k27 That Regulates Transcription Of Cell Adhesion Genes In Multiple Myeloma, Andrea Berardi, Charlotte Leonie Kaestner, Michela Ghitti, Giacomo Quilici, Paolo Cocomazzi, Jianping Li, Federico Ballabio, Chiara Zucchelli, Stefan Knapp, Jonathan Licht, Giovanna Musco
The C-Terminal Phdvc5hch Tandem Domain Of Nsd2 Is A Combinatorial Reader Of Modified H3k4 And Tri-Methylated H3k27 That Regulates Transcription Of Cell Adhesion Genes In Multiple Myeloma, Andrea Berardi, Charlotte Leonie Kaestner, Michela Ghitti, Giacomo Quilici, Paolo Cocomazzi, Jianping Li, Federico Ballabio, Chiara Zucchelli, Stefan Knapp, Jonathan Licht, Giovanna Musco
Department of Pharmacology, Physiology, and Cancer Biology Faculty Papers
Histone methyltransferase NSD2 (MMSET) overexpression in multiple myeloma (MM) patients plays an important role in the development of this disease subtype. Through the expansion of transcriptional activating H3K36me2 and the suppression of repressive H3K27me3 marks, NSD2 activates an aberrant set of genes that contribute to myeloma growth, adhesive and invasive activities. NSD2 transcriptional activity also depends on its non-catalytic domains, which facilitate its recruitment to chromatin through histone binding. In this study, using NMR, ITC and molecular dynamics simulations, we show that the tandem PHD domain of NSD2 (PHDVC5HCHNSD2) is a combinatorial reader of unmodified histone H3K4 and tri-methylated H3K27 …
Cd8Α Structural Domains Enhance Gucy2c Car-T Cell Efficacy, Trevor R. Baybutt, Ariana A. Entezari, Adi Caspi, Ross E. Staudt, Robert D. Carlson, Scott A. Waldman, Adam E. Snook
Cd8Α Structural Domains Enhance Gucy2c Car-T Cell Efficacy, Trevor R. Baybutt, Ariana A. Entezari, Adi Caspi, Ross E. Staudt, Robert D. Carlson, Scott A. Waldman, Adam E. Snook
Department of Pharmacology, Physiology, and Cancer Biology Faculty Papers
Despite success in treating some hematological malignancies, CAR-T cells have not yet produced similar outcomes in solid tumors due, in part, to the tumor microenvironment, poor persistence, and a paucity of suitable target antigens. Importantly, the impact of the CAR components on these challenges remains focused on the intracellular signaling and antigen-binding domains. In contrast, the flexible hinge and transmembrane domains have been commoditized and are the least studied components of the CAR. Here, we compared the hinge and transmembrane domains derived from either the CD8ɑ or CD28 molecule in identical GUCY2C-targeted third-generation designs for colorectal cancer. While these structural …
Bp1003 Decreases Stat3 Expression And Its Pro-Tumorigenic Functions In Solid Tumors And The Tumor Microenvironment, Maria Gagliardi, Rhonda Kean, Bingbing Dai, Jithesh Augustine, Michael Roberts, Jason Fleming, D. Craig Hooper, Ana Ashizawa
Bp1003 Decreases Stat3 Expression And Its Pro-Tumorigenic Functions In Solid Tumors And The Tumor Microenvironment, Maria Gagliardi, Rhonda Kean, Bingbing Dai, Jithesh Augustine, Michael Roberts, Jason Fleming, D. Craig Hooper, Ana Ashizawa
Department of Pharmacology, Physiology, and Cancer Biology Faculty Papers
Overexpression and aberrant activation of signal transducer and activator of transcription 3 (STAT3) contribute to tumorigenesis, drug resistance, and tumor-immune evasion, making it a potential cancer therapeutic target. BP1003 is a neutral liposome incorporated with a nuclease-resistant P-ethoxy antisense oligodeoxynucleotide (ASO) targeting the STAT3 mRNA. Its unique design enhances BP1003 stability, cellular uptake, and target affinity. BP1003 efficiently reduces STAT3 expression and enhances the sensitivity of breast cancer cells (HER2+, triple negative) and ovarian cancer cells (late stage, invasive ovarian cancer) to paclitaxel and 5-fluorouracil (5-FU) in both 2D and 3D cell cultures. Similarly, ex vivo and in …
Stanniocalcin 2 Governs Cancer Cell Adaptation To Nutrient Insufficiency Through Alleviation Of Oxidative Stress, Shuo Qie, Haijuan Xiong, Yaqi Liu, Chenhui Yan, Yalei Wang, Lifeng Tian, Chenguang Wang, Nianli Sang
Stanniocalcin 2 Governs Cancer Cell Adaptation To Nutrient Insufficiency Through Alleviation Of Oxidative Stress, Shuo Qie, Haijuan Xiong, Yaqi Liu, Chenhui Yan, Yalei Wang, Lifeng Tian, Chenguang Wang, Nianli Sang
Department of Pharmacology, Physiology, and Cancer Biology Faculty Papers
Solid tumours often endure nutrient insufficiency during progression. How tumour cells adapt to temporal and spatial nutrient insufficiency remains unclear. We previously identified STC2 as one of the most upregulated genes in cells exposed to nutrient insufficiency by transcriptome screening, indicating the potential of STC2 in cellular adaptation to nutrient insufficiency. However, the molecular mechanisms underlying STC2 induction by nutrient insufficiency and subsequent adaptation remain elusive. Here, we report that STC2 protein is dramatically increased and secreted into the culture media by Gln-/Glc- deprivation. STC2 promoter contains cis-elements that are activated by ATF4 and p65/RelA, two transcription factors activated by …
Expression Of The Αvβ3 Integrin Affects Prostate Cancer Sev Cargo And Density And Promotes Sev Pro-Tumorigenic Activity In Vivo Through A Gpi-Anchored Receptor, Ngr2, Cecilia Verrillo, Fabio Quaglia, Christopher Shields, Stephen Lin, Andrew Kossenkov, Hsin-Yao Tang, David Speicher, Nicole Naranjo, Anna Testa, William Kelly, Qin Liu, Benjamin Leiby, Luca Musante, Khalid Sossey-Alaoui, Navneet Dogra, Tzu-Yi Chen, Dario Altieri, Lucia Languino
Expression Of The Αvβ3 Integrin Affects Prostate Cancer Sev Cargo And Density And Promotes Sev Pro-Tumorigenic Activity In Vivo Through A Gpi-Anchored Receptor, Ngr2, Cecilia Verrillo, Fabio Quaglia, Christopher Shields, Stephen Lin, Andrew Kossenkov, Hsin-Yao Tang, David Speicher, Nicole Naranjo, Anna Testa, William Kelly, Qin Liu, Benjamin Leiby, Luca Musante, Khalid Sossey-Alaoui, Navneet Dogra, Tzu-Yi Chen, Dario Altieri, Lucia Languino
Department of Pharmacology, Physiology, and Cancer Biology Faculty Papers
It is known that small extracellular vesicles (sEVs) are released from cancer cells and contribute to cancer progression via crosstalk with recipient cells. We have previously reported that sEVs expressing the αVβ3 integrin, a protein upregulated in aggressive neuroendocrine prostate cancer (NEPrCa), contribute to neuroendocrine differentiation (NED) in recipient cells. Here, we examine the impact of αVβ3 expression on sEV protein content, density and function. sEVs used in this study were isolated by iodixanol density gradients and characterized by nanoparticle tracking analysis, immunoblotting and single vesicle analysis. Our proteomic profile of sEVs containing αVβ3 shows downregulation of typical effectors involved …