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Advances in Biological Regulation

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https://www.readbyqxmd.com/read/28623166/casein-kinase-ii-ck2-glycogen-synthase-kinase-3-gsk-3-and-ikaros-mediated-regulation-of-leukemia
#1
REVIEW
Chandrika Gowda, Mario Soliman, Malika Kapadia, Yali Ding, Kimberly Payne, Sinisa Dovat
Signaling networks that regulate cellular proliferation often involve complex interactions between several signaling pathways. In this manuscript we review the crosstalk between the Casein Kinase II (CK2) and Glycogen Synthase Kinase-3 (GSK-3) pathways that plays a critical role in the regulation of cellular proliferation in leukemia. Both CK2 and GSK-3 are potential targets for anti-leukemia treatment. Previously published data suggest that CK2 and GSK-3 act synergistically to promote the phosphatidylinositol-3 kinase (PI3K) pathway via phosphorylation of PTEN...
June 13, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28619606/pivotal-roles-of-glycogen-synthase-3-in-hepatocellular-carcinoma
#2
REVIEW
Melchiorre Cervello, Giuseppa Augello, Antonella Cusimano, Maria Rita Emma, Daniele Balasus, Antonina Azzolina, James A McCubrey, Giuseppe Montalto
Hepatocellular carcinoma (HCC) is one of the most common cancers in the world, and represents the second most frequently cancer and third most common cause of death from cancer worldwide. At advanced stage, HCC is a highly aggressive tumor with a poor prognosis and with very limited response to common therapies. Therefore, there is still the need for new effective and well-tolerated therapeutic strategies. Molecular-targeted therapies hold promise for HCC treatment. One promising molecular target is the multifunctional serine/threonine kinase glycogen synthase kinase 3 (GSK-3)...
June 6, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28579298/regulation-of-gsk-3-activity-by-curcumin-berberine-and-resveratrol-potential-effects-on-multiple-diseases
#3
REVIEW
James A McCubrey, Kvin Lertpiriyapong, Linda S Steelman, Steve L Abrams, Lucio Cocco, Stefano Ratti, Alberto M Martelli, Saverio Candido, Massimo Libra, Giuseppe Montalto, Melchiorre Cervello, Agnieszka Gizak, Dariusz Rakus
Natural products or nutraceuticals promote anti-aging, anti-cancer and other health-enhancing effects. A key target of the effects of natural products may be the regulation of the PI3K/PTEN/Akt/mTORC1/GSK-3 pathway. This review will focus on the effects of curcumin (CUR), berberine (BBR) and resveratrol (RES), on the PI3K/PTEN/Akt/mTORC1/GSK-3 pathway, with a special focus on GSK-3. These natural products may regulate the pathway by multiple mechanisms including: reactive oxygen species (ROS), cytokine receptors, mirco-RNAs (miRs) and many others...
May 26, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28552579/ask-family-and-cancer
#4
REVIEW
Hiroki Ryuno, Isao Naguro, Miki Kamiyama
Cancer is a major problem in public health and is one of the leading causes of mortality worldwide. Many types of cancer cells exhibit aberrant cellular signal transduction in response to stress, which often leads to oncogenesis. Mitogen-activated protein kinase (MAPK) signal cascades are one of the important intracellular stress signaling pathways closely related to cancer. The key molecules in MAPK signal cascades that respond to various types of stressors are apoptosis signal-regulating kinase (ASK) family members; ASK1, ASK2 and ASK3...
May 20, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28549531/targeting-the-akt-gsk-3-bcl-2-axis-in-acute-myeloid-leukemia
#5
REVIEW
Maria Rosaria Ricciardi, Simone Mirabilii, Roberto Licchetta, Monica Piedimonte, Agostino Tafuri
Over the last few decades, there has been significant progress in the understanding of the pathogenetic mechanisms of the Acute Myeloid Leukemia (AML). However, despite important advances in elucidating molecular mechanisms, the treatment of AML has not improved significantly, remaining anchored at the standard chemotherapy regimen "3 + 7", with the prognosis of patients remaining severe, especially for the elderly and for those not eligible for transplant procedures. The biological and clinical heterogeneity of AML represents the major obstacle that hinders the improvement of prognosis and the identification of new effective therapeutic approaches...
May 19, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28499784/gsk-3-as-a-novel-prognostic-indicator-in-leukemia
#6
REVIEW
Peter P Ruvolo
While leukemias represent a diverse set of diseases with malignant cells derived from myeloid or lymphoid origin, a common feature is the dysregulation of signal transduction pathways that influence leukemogeneisis, promote drug resistance, and favor leukemia stem cells. Mutations in PI3K, PTEN, RAS, or other upstream regulators can activate the AKT kinase which has central roles in supporting cell proliferation and survival. A major target of AKT is Glycogen Synthase Kinase 3 (GSK3). GSK3 has two isoforms (alpha and beta) that were studied as regulators of metabolism but emerged as central players in cancer in the early 1990s...
May 8, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28373060/cross-talk-between-the-ck2-and-akt-signaling-pathways-in-cancer
#7
REVIEW
Maria Ruzzene, Jessika Bertacchini, Alex Toker, Sandra Marmiroli
CK2 and AKT display a high degree of cross-regulation of their respective functions, both directly, through physical interaction and phosphorylation, and indirectly, through an intense cross-talk of key downstream effectors, ultimately leading to sustained AKT activation. Being CK2 and AKT attractive targets for therapeutic intervention, here we would like to emphasize how AKT and CK2 might influence cell fate through their complex isoform-specific and contextual-dependent cross-talk, to the extent that such functional interplay should be considered when devising therapies that target one or both these key signaling kinases...
March 28, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28342784/inositol-phosphate-multikinase-dependent-transcriptional-control
#8
Ace J Hatch, Audrey R Odom, John D York
Production of lipid-derived inositol phosphates including IP4 and IP5 is an evolutionarily conserved process essential for cellular adaptive responses that is dependent on both phospholipase C and the inositol phosphate multikinase Ipk2 (also known as Arg82 and IPMK). Studies of Ipk2, along with Arg82 prior to demonstrating its IP kinase activity, have provided an important link between control of gene expression and IP metabolism as both kinase dependent and independent functions are required for proper transcriptional complex function that enables cellular adaptation in response to extracellular queues such as nutrient availability...
March 21, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28242412/genomic-instability-and-proliferation-survival-pathways-in-rb1-deficient-malignancies
#9
Lara Pappas, Xiaoliang Leon Xu, David H Abramson, Suresh C Jhanwar
Genomic instability (GIN) is a hallmark of most cancer cells. However, compared to most human cancer cell types, the retinoblastoma tumor cells show a relatively stable genome. The fundamental basis of this genomic stability has yet to be elucidated, and the role of certain proteins involved in cell cycle regulation may be the key to the development of these specific genotypes. We examined whether thyroid hormone receptor beta 1 and 2 (TRβ1 and TRβ2), known to regulate tumorigenesis, and PTTG1, a mitotic checkpoint protein, play a role in maintaining genomic stability in retinoblastoma...
February 8, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28082052/aberrant-proteolytic-processing-and-therapeutic-strategies-in-alzheimer-disease
#10
REVIEW
Taisuke Tomita
Amyloid-β peptide (Aβ) and tau are major components of senile plaques and neurofibrillary tangles, respectively, deposited in the brains of Alzheimer disease (AD) patients. Aβ is derived from amyloid-β precursor protein that is sequentially cleaved by two aspartate proteases, β- and γ-secretases. Secreted Aβ is then catabolized by several proteases. Several lines of evidence suggest that accumulation of Aβ by increased production or decreased degradation induces the tau-mediated neuronal toxicity and symptomatic manifestations of AD...
January 5, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28189457/discrete-signaling-mechanisms-of-mtorc1-and-mtorc2-connected-yet-apart-in-cellular-and-molecular-aspects
#11
REVIEW
Meena Jhanwar-Uniyal, Anubhav G Amin, Jared B Cooper, Kaushik Das, Meic H Schmidt, Raj Murali
Activation of PI3K/Akt/mTOR (mechanistic target of rapamycin) signaling cascade has been shown in tumorigenesis of numerous malignancies including glioblastoma (GB). This signaling cascade is frequently upregulated due to loss of the tumor suppressor PTEN, a phosphatase that functions antagonistically to PI3K. mTOR regulates cell growth, motility, and metabolism by forming two multiprotein complexes, mTORC1 and mTORC2, which are composed of special binding partners. These complexes are sensitive to distinct stimuli...
January 4, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28159167/foreword
#12
EDITORIAL
Lucio Cocco
No abstract text is available yet for this article.
January 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/27866974/sphingolipids-in-neutrophil-function-and-inflammatory-responses-mechanisms-and-implications-for-intestinal-immunity-and-inflammation-in-ulcerative-colitis
#13
REVIEW
Mel Pilar Espaillat, Richard R Kew, Lina M Obeid
Bioactive sphingolipids are regulators of immune cell function and play critical roles in inflammatory conditions including ulcerative colitis. As one of the major forms of inflammatory bowel disease, ulcerative colitis pathophysiology is characterized by an aberrant intestinal inflammatory response that persists causing chronic inflammation and tissue injury. Innate immune cells play an integral role in normal intestinal homeostasis but their dysregulation is thought to contribute to the pathogenesis of ulcerative colitis...
January 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/27838257/phospholipid-regulation-of-the-nuclear-receptor-superfamily
#14
REVIEW
Mark K Crowder, Corey D Seacrist, Raymond D Blind
Nuclear receptors are ligand-activated transcription factors whose diverse biological functions are classically regulated by cholesterol-based small molecules. Over the past few decades, a growing body of evidence has demonstrated that phospholipids and other similar amphipathic molecules can also specifically bind and functionally regulate the activity of certain nuclear receptors, suggesting a critical role for these non-cholesterol-based molecules in transcriptional regulation. Phosphatidylcholines, phosphoinositides and sphingolipids are a few of the many phospholipid like molecules shown to quite specifically regulate nuclear receptors in mouse models, cell lines and in vitro...
January 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/27771292/ceramidases-roles-in-sphingolipid-metabolism-and-in-health-and-disease
#15
REVIEW
Nicolas Coant, Wataru Sakamoto, Cungui Mao, Yusuf A Hannun
Over the past three decades, extensive research has been able to determine the biologic functions for the main bioactive sphingolipids, namely ceramide, sphingosine, and sphingosine 1-phosphate (S1P) (Hannun, 1996; Hannun et al., 1986; Okazaki et al., 1989). These studies have managed to define the metabolism, regulation, and function of these bioactive sphingolipids. This emerging body of literature has also implicated bioactive sphingolipids, particularly S1P and ceramide, as key regulators of cellular homeostasis...
January 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/27720306/epigenetic-regulation-of-pro-inflammatory-cytokine-secretion-by-sphingosine-1-phosphate-s1p-in-acute-lung-injury-role-of-s1p-lyase
#16
REVIEW
David L Ebenezer, Panfeng Fu, Vidyani Suryadevara, Yutong Zhao, Viswanathan Natarajan
Cellular level of sphingosine-1-phosphate (S1P), the simplest bioactive sphingolipid, is tightly regulated by its synthesis catalyzed by sphingosine kinases (SphKs) 1 & 2 and degradation mediated by S1P phosphatases, lipid phosphate phosphatases, and S1P lyase. The pleotropic actions of S1P are attributed to its unique inside-out (extracellular) signaling via G-protein-coupled S1P1-5 receptors, and intracellular receptor independent signaling. Additionally, S1P generated in the nucleus by nuclear SphK2 modulates HDAC1/2 activity, regulates histone acetylation, and transcription of pro-inflammatory genes...
January 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/27671966/phosphatidic-acid-and-neurotransmission
#17
REVIEW
Daniel M Raben, Casey N Barber
Lipids play a vital role in the health and functioning of neurons and interest in the physiological role of neuronal lipids is certainly increasing. One neuronal function in which neuronal lipids appears to play key roles in neurotransmission. Our understanding of the role of lipids in the synaptic vesicle cycle and neurotransmitter release is becoming increasingly more important. Much of the initial research in this area has highlighted the major roles played by the phosphoinositides (PtdIns), diacylglycerol (DAG), and phosphatidic acid (PtdOH)...
January 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/27666503/regulation-of-cellular-proliferation-in-acute-lymphoblastic-leukemia-by-casein-kinase-ii-ck2-and-ikaros
#18
REVIEW
Chandrika Gowda, Chunhua Song, Malika Kapadia, Jonathon L Payne, Tommy Hu, Yali Ding, Sinisa Dovat
The IKZF1 gene encodes the Ikaros protein, a zinc finger transcriptional factor that acts as a master regulator of hematopoiesis and a tumor suppressor in leukemia. Impaired activity of Ikaros is associated with the development of high-risk acute lymphoblastic leukemia (ALL) with a poor prognosis. The molecular mechanisms that regulate Ikaros' function as a tumor suppressor and regulator of cellular proliferation are not well understood. We demonstrated that Ikaros is a substrate for Casein Kinase II (CK2), an oncogenic kinase that is overexpressed in ALL...
January 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/27776975/machineries-regulating-the-activity-of-the-small-gtpase-arf6-in-cancer-cells-are-potential-targets-for-developing-innovative-anti-cancer-drugs
#19
REVIEW
Yohei Yamauchi, Yuki Miura, Yasunori Kanaho
The Small GTPase ADP-ribosylation factor 6 (Arf6) functions as the molecular switch in cellular signaling pathways by cycling between GDP-bound inactive and GTP-bound active form, which is precisely regulated by two regulators, guanine nucleotide exchange factors (GEFs) and GTPase-activating proteins (GAPs). Numerous studies have shown that these machineries play critical roles in tumor angiogenesis/growth and cancer cell invasion/metastasis through regulating the cycling of Arf6. Here, we summarize accumulating knowledge for involvement of Arf6 GEFs/GAPs and small molecule inhibitors of Arf6 signaling/cycling in cancer progression, and discuss possible strategies for developing innovative anti-cancer drugs targeting Arf6 signaling/cycling...
October 18, 2016: Advances in Biological Regulation
https://www.readbyqxmd.com/read/27776973/plc-%C3%AE-1-and-cell-differentiation-an-insight-into-myogenesis-and-osteogenesis
#20
REVIEW
Giulia Ramazzotti, Irene Faenza, Roberta Fiume, Anna Maria Billi, Lucia Manzoli, Sara Mongiorgi, Stefano Ratti, James A McCubrey, Pann-Ghill Suh, Lucio Cocco, Matilde Y Follo
Phosphoinositide-phospholipase C-β1 (PLC-β1) plays a crucial role in the initiation of the genetic program responsible for muscle differentiation and osteogenesis. During myogenic differentiation of murine C2C12 myoblasts, PLC-β1 signaling pathway involves the Inositol Polyphosphate Multikinase (IPMK) and β-catenin as downstream effectors. By means of c-jun binding to cyclin D3 promoter, the activation of PLC-β1 pathway determines cyclin D3 accumulation. However, osteogenesis requires PLC-β1 expression and up-regulation but it does not affect cyclin D3 levels, suggesting that the two processes require the activation of different mediators...
October 18, 2016: Advances in Biological Regulation
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