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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/28620835/twenty-years-since-the-discovery-of-the-parkin-gene
#2
REVIEW
Nobutaka Hattori, Yoshikuni Mizuno
Nearly 20 years have passed since we identified the causative gene for a familial Parkinson's disease, parkin (now known as PARK2), in 1998. PARK2 is the most common gene responsible for young-onset Parkinson's disease. It codes for the protein Parkin RBR E3 ubiquitin-protein ligase (PARK2), which directly links to the ubiquitin-proteasome as a ubiquitin ligase. PARK2 is involved in mitophagy, which is a type of autophagy, in collaboration with PTEN-induced putative kinase 1 (PINK1). The PINK1 gene (previously known as PARK6) is also a causative gene for young-onset Parkinson's disease...
June 15, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28618992/modulating-mitophagy-in-mitochondrial-disease
#3
Eszter Dombi, Heather Mortiboys, Joanna Poulton
Mitochondrial diseases may result from mutations in the maternally-inherited mitochondrial DNA (mtDNA) or from mutations in nuclear genes encoding mitochondrial proteins. Their bi-genomic nature makes mitochondrial diseases a very heterogeneous group of disorders that can present at any age and can affect any type of tissue. The autophagic-lysosomal degradation pathway plays an important role in clearing dysfunctional and redundant mitochondria through a specific quality control mechanism termed mitophagy. Mitochondria could be targeted for autophagic degradation for a variety of reasons including basal turnover for recycling, starvation induced degradation, and degradation due to damage...
June 16, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28608966/next-generation-sequencing-and-clinical-outcomes-of-patients-with-lung-adenocarcinoma-treated-with-stereotactic-body-radiotherapy
#4
Richard J Cassidy, Xinyan Zhang, Pretesh R Patel, Joseph W Shelton, Chase E Escott, Gabriel L Sica, Michael R Rossi, Charles E Hill, Conor E Steuer, Rathi N Pillai, Suresh S Ramalingam, Taofeek K Owonikoko, Madhusmita Behera, Seth D Force, Felix G Fernandez, Walter J Curran, Kristin A Higgins
BACKGROUND: Genetic aberrations are well characterized in lung adenocarcinomas (LACs) and clinical outcomes have been influenced by targeted therapies in the advanced setting. Stereotactic body radiotherapy (SBRT) is the standard-of-care therapy for patients with nonoperable, early-stage LAC, but to the authors' knowledge, no information is available regarding the impact of genomic changes in these patients. The current study sought to determine the frequency and clinical impact of genetic aberrations in this population...
June 13, 2017: Cancer
https://www.readbyqxmd.com/read/28606050/insights-into-the-targeting-potential-of-thymoquinone-for-therapeutic-intervention-against-triple-negative-breast-cancer
#5
Md Abul Barkat, Harshita Abul, Javed Ahmad, Mohammad Ahmed Khan, Sarwar Beg, Farhan Jalees Ahmad
BACKGROUND: Thymoquinone (TQ) is a bioactive phytoconstituent obtained from Nigella sativa (black seeds). It has promising potential in cancer prevention. OBJECTIVE: Previous studies have shown that TQ can modulate signaling pathways responsible for cancer progression, thus enhances the efficacy and improve safety profile of clinically used anticancer drugs. METHOD: TQ acts on cell cycle and inhibits progression from G1 to S phase by targeting various proteins (cyclin D1, cyclin E, and p27)...
June 11, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28602818/cell-cycle-control-by-pten
#6
REVIEW
Andrew Brandmaier, Sheng-Qi Hou, Wen H Shen
Continuous and error-free chromosome inheritance through the cell cycle is essential for genomic stability and tumor suppression. However, accumulation of aberrant genetic materials often causes the cell cycle to go awry, leading to malignant transformation. In response to genotoxic stress, cells employ diverse adaptive mechanisms to halt or exit the cell cycle temporarily or permanently. The intrinsic machinery of cycling, resting, and exiting shapes the cellular response to extrinsic stimuli whereas prevalent disruption of the cell cycle machinery in tumor cells often confers resistance to anti-cancer therapy...
June 8, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28579298/regulation-of-gsk-3-activity-by-curcumin-berberine-and-resveratrol-potential-effects-on-multiple-diseases
#7
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/28573215/molecular-histologic-and-radiologic-findings-of-high-grade-invasive-adenocarcinoma-arising-in-oncocytic-subtype-of-intraductal-papillary-mucinous-neoplasm-a-case-report-and-review-of-literature
#8
Jared Shows, Christan Bartsch, Heather Carmichael, Irfan Qureshi, Barish Edil, Hubert Fenton
Background: We present a case of adenocarcinoma arising in the oncocytic subtype of intraductal papillary mucinous neoplasm (O-IPMN), with emphasis on the molecular findings in the adenocarcinoma component. Tissue microdissection and next-generation sequencing were performed using a 26 gene panel (AKT1, ALK, APC, BRAF, CDH1, CTNNB1, EGFR, ERBB2, FBXW7, FGFR2, FOXL2, GNAQ, GNAS, KIT, KRAS, MAP2K1, MET, MSH6, NRAS, PDGFRA, PIK3CA, PTEN, SMAD4, SRC, STK11, TP53) of cancer-related genes. Case Presentation: A 69-year-old Caucasian female presented with chest pain and was found to have findings consistent with acute pancreatitis...
2017: J Pancreat Cancer
https://www.readbyqxmd.com/read/28552796/epigenetic-modifications-in-poorly-differentiated-and-anaplastic-thyroid-cancer
#9
REVIEW
Thanyawat Sasanakietkul, Timothy D Murtha, Mahsa Javid, Reju Korah, Tobias Carling
Well-differentiated thyroid cancer accounts for the majority of endocrine malignancies and, in general, has an excellent prognosis. In contrast, the less common poorly differentiated thyroid carcinoma (PDTC) and anaplastic thyroid carcinoma (ATC) are two of the most aggressive human malignancies. Recently, there has been an increased focus on the epigenetic alterations underlying thyroid carcinogenesis, including those that drive PDTC and ATC. Dysregulated epigenetic candidates identified include the Aurora group, KMT2D, PTEN, RASSF1A, multiple non-coding RNAs (ncRNA), and the SWI/SNF chromatin-remodeling complex...
May 25, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28535583/molecular-testing-of-brain-tumor
#10
REVIEW
Sung-Hye Park, Jaekyung Won, Seong-Ik Kim, Yujin Lee, Chul-Kee Park, Seung-Ki Kim, Seung-Hong Choi
The World Health Organization (WHO) classification of central nervous system (CNS) tumors was revised in 2016 with a basis on the integrated diagnosis of molecular genetics. We herein provide the guidelines for using molecular genetic tests in routine pathological practice for an accurate diagnosis and appropriate management. While astrocytomas and IDH-mutant (secondary) glioblastomas are characterized by the mutational status of IDH, TP53 , and ATRX , oligodendrogliomas have a 1p/19q codeletion and mutations in IDH, CIC , FUBP1 , and the promoter region of telomerase reverse transcriptase ( TERTp )...
May 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28526761/a-retrospective-chart-review-of-the-features-of-pten-hamartoma-tumour-syndrome-in-children
#11
Emily Hansen-Kiss, Sarah Beinkampen, Brent Adler, Thomas Frazier, Thomas Prior, Steven Erdman, Charis Eng, Gail Herman
OBJECTIVE: It is recognised that 5% - 10 % of children with macrocephaly and autism spectrum disorder (ASD) and/or intellectual disability (ID) have a heterozygous pathogenic mutation in the PTEN tumour suppressor gene that is associated with PTEN hamartoma tumour syndrome. However, the clinical features and course in children with a pathogenic PTEN mutation are unclear and have not been well documented. STUDY OBJECTIVES: We undertook a retrospective chart review of children (< 18  years) with pathogenic PTEN mutations to ascertain clinical findings, clinical course and possible outcomes...
May 19, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28499784/gsk-3-as-a-novel-prognostic-indicator-in-leukemia
#12
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/28488123/ido-pten-expressing-tregs-and-control-of-antigen-presentation-in-the-murine-tumor-microenvironment
#13
REVIEW
David H Munn, Madhav D Sharma, Theodore S Johnson, Paulo Rodriguez
The tumor microenvironment is profoundly immunosuppressive. This creates a major barrier for attempts to combine immunotherapy with conventional chemotherapy or radiation, because the tumor antigens released by these cytotoxic agents are not cross-presented in an immunogenic fashion. In this Focused Research Review, we focus on mouse preclinical studies exploring the role of immunosuppressive Tregs expressing the PTEN lipid phosphatase, and the links between PTEN+ Tregs and the immunoregulatory enzyme indoleamine 2,3-dioxygenase (IDO)...
May 9, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28477068/the-role-of-mir-130a-in-cancer
#14
REVIEW
He-da Zhang, Lin-Hong Jiang, Da-Wei Sun, Jian Li, Zhen-Ling Ji
MicroRNAs (miRs) are short and highly conserved non-coding RNAs molecules consisting of 18-25 nucleotides that regulate gene expression at post-transcriptional level by direct binding to complementary binding sites within the 3'untranslated region (3'UTR) of target mRNAs. New evidences have demonstrated that miRNAs play an important role in diverse physiological processes, including regulating cell growth, apoptosis, metastasis, drug resistance, and invasion. In chromosomes 11 and 22 of the miR-130 family, paralogous miRNA sequences, miR-130a and miR-130b are situated, respectively...
May 5, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28446316/-prognostic-value-of-recurrent-molecular-genetics-and-epigenetics-abnormity-in-t-lymphoblastic-lymphoma-leukemia-review
#15
Wei Guan, Yu Jing, Li Yu
T lymphoblastic lymphoma / leukemia is a strong invasive and has a high incidence of various molecular genetic abnormalities. The NOTCH1 / FBXW7 mutation is one of the most common mutations, and related with good prognosis in T-LBL / ALL. PTEN mutation, a poor prognostic factor, could be overcome by NOTCH1 mutations in pediatric patients to some extent. Patients with MLL gene abnormality and loss of heterozygosity 6q have worse prognosis than those with normal karyotype. The incidence of MLL gene abnormality, RUNX1 mutation and DNMT3A mutation in early precursor T-lymphoblastic leukemia was higher than that of other mature subtypes, which could be used as risk stratification factors...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28434922/association-of-autoimmune-thyroiditis-and-celiac-disease-with-juvenile-polyposis-due-to-10q23-1q23-31-deletion-potential-role-of-pi3k-akt-pathway-dysregulation
#16
Federica Guaraldi, Giovanni Di Nardo, Luigi Tarani, Luca Bertelli, Francesco Claudio Susca, Rosanna Bagnulo, Nicoletta Resta
Juvenile Polyposis (JP) is a rare hereditary condition characterized by diffuse hamartomatous gastrointestinal polyposis, associated with a significantly increased risk of neoplastic transformation. Most of the cases are caused by SMAD and BMPR1A mutations, while 10q23 microdeletions, encompassing both PTEN and BMPR1A oncogenes, are extremely rare, typically associated with more aggressive JP, and extraintestinal features overlapping with PTEN Hamartoma Tumor Syndrome. We present the first case of a young female with multiple autoimmune disorders (i...
April 18, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28413152/loss-of-pten-expression-is-associated-with-high-microrna-24-level-and-poor-prognosis-in-patients-with-tongue-squamous-cell-carcinoma
#17
Jingzhu Zhao, Jiadong Chi, Ming Gao, Jingtai Zhi, Yigong Li, Xiangqian Zheng
PURPOSE: The aim of this study was to detect the relationship between phosphatase and tensin homolog deletion on chromosome 10 (PTEN) and microRNA 24 (miR-24) and correlate PTEN expression with important clinical parameters of patients with tongue squamous cell carcinoma (TSCC). MATERIALS AND METHODS: In this retrospective case series, all TSCC patients treated at Tianjin Medical University Cancer Institute and Hospital between March 2005 and October 2011 were retrospectively reviewed...
March 23, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28399347/conjunctival-tumors-review-of-clinical-features-risks-biomarkers-and-outcomes-the-2017-j-donald-m-gass-lecture
#18
Carol L Shields, Jason L Chien, Thamolwan Surakiatchanukul, Kareem Sioufi, Sara E Lally, Jerry A Shields
Conjunctival tumors encompass a broad range of diagnoses. The 3 most important malignant tumors include ocular surface squamous neoplasia (OSSN) (14%), melanoma (12%), and lymphoma (7%). Conjunctival malignancies are rarely found in children. Regarding OSSN, pre-disposing conditions include chronic solar radiation, immune deficiency (HIV), organ transplant, autoimmune conditions, xeroderma pigmentosum, and chronic exposure to cigarette smoke. OSSN is managed surgically or with topical/injection immunotherapy or chemotherapy...
March 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28396890/cowden-syndrome-%C3%A2-oral-presentations-of-a-paraneoplastic-syndrome-%C3%A2-case-report-and-review-of-the-literature
#19
Snober Tariq, Joseph Katz
Cowden syndrome is an autosomal dominant disorder with a predisposition to multiple benign and malignant tumors with unique oral manifestations. We present a case of Cowden syndrome in a patient diagnosed with breast cancer, traumatic fibromas, bronchial asthma, and multiple papillomatous fibromatosis of the oral cavity. Close association between oral papillomatosis associated with Cowden syndrome and PTEN gene mutation may increase the risk for malignant transformation. Therefore, patients of Cowden syndrome should be monitored carefully for all kinds of cancers...
2017: Quintessence International
https://www.readbyqxmd.com/read/28377483/vulvar-squamous-cell-carcinoma-vscc-as-two-diseases-hpv-status-identifies-distinct-mutational-profiles-including-oncogenic-fibroblast-growth-factor-receptor-3
#20
Johanne I Weberpals, Bryan Lo, Marc M Duciaume, Johanna N Spaans, Aisling A Clancy, Jim Dimitroulakos, Glenwood D Goss, Harman S Sekhon
PURPOSE: Patients with advanced or recurrent invasive vulvar squamous cell carcinoma (VSCC) have limited treatment options and a grave prognosis. Understanding the genomic landscape may facilitate the identification of new therapies and improve clinical outcomes. EXPERIMENTAL DESIGN: A retrospective chart review and molecular analysis of patients with VSCC from 2000-2016 was performed at the Ottawa Hospital Research Institute. The presence of oncogenic HPV was determined by nested PCR and amplified DNA was sequenced using the Ion AmpliSeq Cancer Hotspot v2 Panel...
April 4, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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