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https://www.readbyqxmd.com/read/29453387/structural-determinants-of-the-sine-b2-element-embedded-in-the-long-non-coding-rna-activator-of-translation-as-uchl1
#1
Peter Podbevšek, Francesca Fasolo, Carlotta Bon, Laura Cimatti, Sabine Reißer, Piero Carninci, Giovanni Bussi, Silvia Zucchelli, Janez Plavec, Stefano Gustincich
Pervasive transcription of mammalian genomes leads to a previously underestimated level of complexity in gene regulatory networks. Recently, we have identified a new functional class of natural and synthetic antisense long non-coding RNAs (lncRNA) that increases translation of partially overlapping sense mRNAs. These molecules were named SINEUPs, as they require an embedded inverted SINE B2 element for their UP-regulation of translation. Mouse AS Uchl1 is the representative member of natural SINEUPs. It was originally discovered for its role in increasing translation of Uchl1 mRNA, a gene associated with neurodegenerative diseases...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29401475/overexpression-of-ubiquitin-carboxyl-terminal-hydrolase-1-uchl1-in-boys-with-cryptorchidism
#2
Dorota Toliczenko-Bernatowicz, Ewa Matuszczak, Marzena Tylicka, Beata Szymańska, Marta Komarowska, Ewa Gorodkiewicz, Wojciech Debek, Adam Hermanowicz
BACKGROUND: The ubiquitin-proteasome system regulate p53, caspase and Bcl-2 family proteins, and is crucial for the degradation of the defective germ cells in testes. Purpose: to evaluate the concentration of ubiquitin carboxyl-terminal hydrolase 1 (UCHL1) in the blood plasma of boys with cryptorchidism and if there is any correlation with patient age. METHODS: Patients-50 boys aged 1-4 years (median = 2,4y.) with unilateral cryptorchidism. Exclusion criteria were: previous human chorionic gonadotropin treatment, an abnormal karyotype, endocrine or immunological disorders or any long-term medication...
2018: PloS One
https://www.readbyqxmd.com/read/29397366/rare-disease-mechanisms-identified-by-genealogical-proteomics-of-copper-homeostasis-mutant-pedigrees
#3
Stephanie A Zlatic, Alysia Vrailas-Mortimer, Avanti Gokhale, Lucas J Carey, Elizabeth Scott, Reid Burch, Morgan M McCall, Samantha Rudin-Rush, John Bowen Davis, Cortnie Hartwig, Erica Werner, Lian Li, Michael Petris, Victor Faundez
Rare neurological diseases shed light onto universal neurobiological processes. However, molecular mechanisms connecting genetic defects to their disease phenotypes are elusive. Here, we obtain mechanistic information by comparing proteomes of cells from individuals with rare disorders with proteomes from their disease-free consanguineous relatives. We use triple-SILAC mass spectrometry to quantify proteomes from human pedigrees affected by mutations in ATP7A, which cause Menkes disease, a rare neurodegenerative and neurodevelopmental disorder stemming from systemic copper depletion...
January 30, 2018: Cell Systems
https://www.readbyqxmd.com/read/29359783/aberrant-methylation-of-htatip2-and-uchl1-as-a-predictive-biomarker-for-cholangiocarcinoma
#4
Chaiyachet Nanok, Patcharee Jearanaikoon, Siriporn Proungvitaya, Temduang Limpaiboon
Cholangiocarcinoma (CCA) is the most common primary liver cancer in Northeastern Thailand where liver fluke infection is highly endemic. Although aberrant DNA methylation in CCA has been reported by several investigators, little is known regarding the associations between them. In the present study, the results obtained from our previously published methylation array were analyzed and 10 candidate genes involved in DNA repair [protein phosphatase 4 catalytic subunit (PPP4C)], apoptosis [runt related transcription factor 3 (RUNX3), interferon regulatory factor 4 (IRF4), ubiquitin C‑terminal hydrolase L1 (UCHL1) and tumor protein p53 inducible protein 3 (TP53I3)], cell proliferation [cyclin D2 (CCND2) and Ras association domain family member 1 (RASSF1)], drug metabolism [aldehyde dehydrogenase 1 family member A3 (ALDH1A3) and solute carrier family 29 member 1 (SLC29A1)] and angiogenesis [human immunodeficiency virus‑1 tat interactive protein 2 (HTATIP2)] were selected for quantification of their methylation levels in 54 CCA and 19 adjacent normal tissues using methylation‑sensitive high‑resolution melting...
December 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29285276/pilot-study-molecular-risk-factors-for-diagnosing-sporadic-parkinson-s-disease-based-on-gene-expression-in-blood-in-mptp-induced-rhesus-monkeys
#5
Liangqin Shi, Chao Huang, Qihui Luo, Yu Xia, Heng Liu, Like Li, Wentao Liu, Wenjing Ma, Jing Fang, Li Tang, Wen Zeng, Zhengli Chen
Clinical diagnosis of Parkinson's disease (PD) is characterized by the classical features of tremor, bradykinesia and rigidity, which are present only when more than 70%-80% degeneration of dopaminergic (DA) neurons in the substantia nigra. The lack of means for early diagnosis of PD has elicited interest in searching for its risk factors, which, by now, are almost obtained at a single time point in PD process, and little developing risk factors, obtained from completely normal situation to the onset or even advanced stage of PD in individual person which could monitor the progress of PD, are present...
December 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/29277369/implication-of-altered-ubiquitin-proteasome-system-and-er-stress-in-the-muscle-atrophy-of-diabetic-rats
#6
S Sreenivasa Reddy, Karnam Shruthi, Y Konda Prabhakar, Gummadi Sailaja, G Bhanuprakash Reddy
BACKGROUND: Skeletal muscle is adversely affected in type-1 diabetes, and excessively stimulated ubiquitin-proteasome system (UPS) was found to be a leading cause of muscle wasting or atrophy. The role of endoplasmic reticulum (ER) stress in muscle atrophy of type-1 diabetes is not known. Hence, we investigated the role of UPS and ER stress in the muscle atrophy of chronic diabetes rat model. METHODS: Diabetes was induced with streptozotocin (STZ) in male Sprague-Dawley rats and were sacrificed 2- and 4-months thereafter to collect gastrocnemius muscle...
December 22, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29241710/new-insights-into-the-gene-expression-associated-to-amyotrophic-lateral-sclerosis
#7
REVIEW
Daniela Recabarren-Leiva, Marcelo Alarcón
Amyotrophic lateral sclerosis (ALS) is the most prevalent neuromuscular disease worldwide. It is a lethal and progressive neurodegenerative disease, principally affecting motor neurons; patient clinical characteristics are muscle weakness, dysphagia and respiratory failure. The mean age is related to family history (40years, familial ALS or FALS) or with no family history (50years), but it is more common in people aged 60-69years. The cause of ALS is not known and it is not known yet why it affects some people and not others...
December 11, 2017: Life Sciences
https://www.readbyqxmd.com/read/29156776/uchl1-expression-and-localization-on-testicular-development-and-spermatogenesis-of-chinese-giant-salamanders
#8
Yuanxian Wang, Liqing Wang, Huihui Gao, Yao Gao, Changming Yang, Hong Ji, Wuzi Dong
Ubiquitin carboxyl-terminal hydrolase L1 (UCHL1), which is extensively expressed in vertebrates, is a deubiquitinating enzymes that inhibits the degradation of proteins by reversing ubiquitination modification. Herein, a 1087-bp sequence encoding UCHL1 was identified from the Chinese giant salamander (CGS; Andrias davidianus). The coding sequences (CDS) of UCHL1 encoded a putative poly peptide of 222 amino acids. The CGS UCHL1 isoforms were more related to their human and mouse counterparts. The phylogenic tree of vertebrate UCHL1 indicated that CGS UCHL1 has the closest relationship with human UCHL1 (up to 73...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156418/characterization-of-domestic-pig-spermatogenesis-using-spermatogonial-stem-cell-markers-in-the-early-months-of-life
#9
Julio Almunia, Kotono Nakamura, Mami Murakami, Shigeo Takashima, Masaki Takasu
In pigs, spermatogonial stem cells (SSCs), which include gonocytes and undifferentiated spermatogonia, are classically defined as being present till up to 2 months of life. However, knowledge about this transition from gonocytes to undifferentiated spermatogonia in pigs is limited. In this study, we characterized pig SSCs in neonatal (n = 6), one-month-old (1-mo-old, n = 6), two-month-old (2-mo-old, n = 6), and adult testes (n = 6) anatomically, histologically, and immunohistologically. Anatomically, testicular circumference (TC) was measured at each development stage...
November 3, 2017: Theriogenology
https://www.readbyqxmd.com/read/29150024/decreased-uchl1-expression-as-a-cytologic-biomarker-for-aggressive-behavior-in-pancreatic-neuroendocrine-tumors
#10
Maureen D Moore, Brendan Finnerty, Katherine D Gray, Rana Hoda, Yi-Fan Liu, Lauren Soong, Toni Beninato, Rema Rao, Rasa Zarnegar, Thomas J Fahey
BACKGROUND: There are currently no reliable markers associated with aggressive behavior in well-differentiated and moderately differentiated pancreatic neuroendocrine tumors. We aimed to determine whether expression of ubiquitin carboxyl-terminal hydrolase L1 in conjunction with Ki67 can identify metastatic potential of well-differentiated and moderately differentiated pancreatic neuroendocrine tumors from fine-needle aspiration samples obtained by endoscopic ultrasound. METHODS: Retrospective review of 48 patients with well-differentiated and moderately differentiated pancreatic neuroendocrine tumors diagnosed by endoscopic ultrasound fine-needle aspiration at a single center identified 35 biopsy samples with adequate material for analysis...
November 14, 2017: Surgery
https://www.readbyqxmd.com/read/29126443/ubiquitin-c-terminal-hydrolase-isozyme-l1-is-associated-with-shelterin-complex-at-interstitial-telomeric-sites
#11
Aleksandar Ilic, Sumin Lu, Vikram Bhatia, Farhana Begum, Thomas Klonisch, Prasoon Agarwal, Wayne Xu, James R Davie
BACKGROUND: Ubiquitin C-terminal hydrolase isozyme L1 (UCHL1) is primarily expressed in neuronal cells and neuroendocrine cells and has been associated with various diseases, including many cancers. It is a multifunctional protein involved in deubiquitination, ubiquitination and ubiquitin homeostasis, but its specific roles are disputed and still generally undetermined. RESULTS: Herein, we demonstrate that UCHL1 is associated with genomic DNA in certain prostate cancer cell lines, including DU 145 cells derived from a brain metastatic site, and in HEK293T embryonic kidney cells with a neuronal lineage...
November 10, 2017: Epigenetics & Chromatin
https://www.readbyqxmd.com/read/29080080/ubiquitin-carboxyl-terminal-hydrolases-involvement-in-cancer-progression-and-clinical-implications
#12
Ying Fang, Xizhong Shen
Protein ubiquitination and deubiquitination participate in a number of biological processes, including cell growth, differentiation, transcriptional regulation, and oncogenesis. Ubiquitin C-terminal hydrolases (UCHs), a subfamily of deubiquitinating enzymes (DUBs), includes four members: UCH-L1/PGP9.5 (protein gene product 9.5), UCH-L3, UCHL5/UCH37, and BRCA1-associated protein-1 (BAP1). Recently, more attention has been paid to the relationship between the UCH family and malignancies, which play different roles in the progression of different tumors...
October 27, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28981341/biofluid-biomarkers-of-traumatic-brain-injury
#13
Denes V Agoston, Andrew Shutes-David, Elaine R Peskind
PRIMARY OBJECTIVE: The purpose of this paper is to review the clinical and research utility and applications of blood, cerebrospinal fluid (CSF), and cerebral microdialysis biomarkers in traumatic brain injury (TBI). RESEARCH DESIGN: Not applicable. METHODS AND PROCEDURES: A selective review was performed on these biofluid biomarkers in TBI. MAIN OUTCOME AND RESULTS: Neurofilament heavy chain protein (NF-H), glial fibrillary acidic protein (GFAP), ubiquitin C-terminal hydrolase-L1 (UCHL1), neuron-specific enolase (NSE), myelin basic protein (MBP), tau, and s100β blood biomarkers are elevated during the acute phase of severe head trauma but have key limitations in their research and clinical applications to mild TBI (mTBI)...
2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28978976/subcutaneous-adipose-tissue-gene-expression-and-dna-methylation-respond-to-both-short-and-long-term-weight-loss
#14
S Bollepalli, S Kaye, S Heinonen, J Kaprio, A Rissanen, K A Virtanen, K H Pietiläinen, M Ollikainen
BACKGROUND: Few studies have examined both gene expression and DNA methylation profiles in subcutaneous adipose tissue (SAT) during long-term weight loss. Thus molecular mechanisms in weight loss and regain remain elusive. PARTICIPANTS/METHODS: We performed a one-year weight loss intervention on 19 healthy obese participants (mean BMI 34.6 kg/m(2)) and studied longitudinal gene expression (Affymetrix Human Genome U133 Plus 2.0) and DNA methylation (Infinium HumanMethylation450 BeadChip) in SAT at 0, 5 and 12 months...
October 5, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28940383/immunoproteasome-in-the-blood-plasma-of-children-with-acute-appendicitis-and-its-correlation-with-proteasome-and-uchl1-measured-by-spr-imaging-biosensors
#15
E Matuszczak, A Sankiewicz, W Debek, E Gorodkiewicz, R Milewski, A Hermanowicz
The aim of this study was to determinate the immunoproteasome concentration in the blood plasma of children with appendicitis, and its correlation with circulating proteasome and ubiquitin carboxyl-terminal hydrolase L1 (UCHL1). Twenty-seven children with acute appendicitis, managed at the Paediatric Surgery Department, were included randomly into the study (age 2 years 9 months up to 14 years, mean age 9·5 ± 1 years). There were 10 girls and 17 boys; 18 healthy, age-matched subjects, admitted for planned surgeries served as controls...
January 2018: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28935764/ubiquitin-recognition-of-bap1-understanding-its-enzymatic-function
#16
Pranita Hanpude, Sushmita Bhattacharya, Abhishek Kumar Singh, Tushar Kanti Maiti
BRCA1-associated protein 1 (BAP1) is a nuclear localizing UCH, having tumor suppressor activity and is widely involved in many crucial cellular processes. BAP1 has garnered attention for its links with cancer, however, the molecular mechanism in the regulation of cancer by BAP1 has not been established. Amongst the four UCHs, only BAP1 and UCHL5 are able to hydrolyze small and large ubiquitin adducts but UCHL5 hydrolyzes only when it is present in the PA700 complex of the proteasome. The ability of BAP1 to cleave large ubiquitin derivatives is because of its relatively longer active-site crossover loop than other UCHs...
October 31, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28836754/cell-lysate-based-alphalisa-deubiquitinase-assay-platform-for-identification-of-small-molecule-inhibitors
#17
Christine A Ott, Bolormaa Baljinnyam, Alexey V Zakharov, Ajit Jadhav, Anton Simeonov, Zhihao Zhuang
The deubiquitinases, or DUBs, are associated with various human diseases, including neurological disorders, cancer, and viral infection, making them excellent candidates for pharmacological intervention. Drug discovery campaigns against DUBs require enzymatic deubiquitination assays amenable for high-throughput screening (HTS). Although several DUB substrates and assays have been developed in recent years, they are largely limited to recombinantly purified DUBs. Many DUBs are large multidomain proteins that are difficult to obtain recombinantly in sufficient quantities for HTS...
September 15, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28803986/ubiquitin-c-terminal-hydrolase-l1-regulates-myoblast-proliferation-and-differentiation
#18
Hongbo Gao, Sigurd Hartnett, Yifan Li
Skeletal muscles are dynamic tissues that possess regenerative abilities, which require multiple processes and regulatory factors. Ubiquitin C-Terminal Hydrolase L1 (UCHL1), which is primarily expressed in neuronal tissues, was upregulated in skeletal muscles in disease conditions but its functional role in skeletal muscles is unknown. Using mouse myoblast cells C2C12 as an in vitro model, this study reported that UCHL1 elicits different regulation in myoblast cell proliferation and differentiation. We first observed that UCHL1 protein level was continuously declined during cell differentiation...
October 7, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28782835/identification-and-functional-analysis-of-a-potential-key-lncrna-involved-in-fat-loss-of-cancer-cachexia
#19
Huiquan Liu, Ting Zhou, Bangyan Wang, Lu Li, Dawei Ye, Shiying Yu
Cancer cachexia is a devastating, multifactorial, and irreversible syndrome characterized by skeletal muscle reduction with or without fat loss. Although much attention has been focused on muscle wasting, fat loss may occur earlier and accelerate muscle wasting in cachexia. The cause of 20% of cancer related death makes it urgent to discover molecular mechanisms behind cancer cachexia. Here we applied weighted gene co-expression network analysis (WGCNA) to identify cachexia related gene modules using differentially expressed 3289 genes and 59 long non-coding RNAs based on microarray data of cachectic and non-cachectic subcutaneous adipose tissue...
August 7, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28765971/identification-of-key-genes-and-pathways-in-parkinson-s-disease-through-integrated-analysis
#20
Jingru Wang, Yining Liu, Tuanzhi Chen
Parkinson's disease (PD) is a progressive, degene-rative neurological disease, typically characterized by tremors and muscle rigidity. The present study aimed to identify differe-ntially expressed genes (DEGs) between patients with PD and healthy patients, and clarify their association with additional biological processes that may regulate factors that lead to PD. An integrated analysis of publicly available Gene Expression Omnibus datasets of PD was performed. DEGs were identified between PD and normal blood samples...
October 2017: Molecular Medicine Reports
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