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Numb protein

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https://www.readbyqxmd.com/read/28531799/numb-had-anti-tumor-effects-in-prostatic-cancer
#1
Ji Sun, Kai Wang, Jingfei Teng, Yufu Yu, Runmiao Hua, Haiyong Zhou, Dachuan Zhong, Yi Fan
AIM: The aim of this study was to explain the Numb anti-cancer effects in the prostatic cancer. METHODS: Collecting the 20 prostatic cancer patients and analyzing the correlation between Numb and Glease score. Transfection Numb into DU-145 and PC-3 cells, measuring the proliferation rate of difference groups by MTT assay, evaluating the cell apoptosis and cell cycle of difference group by Flow cytometry; measuring the invasion and migration abilities by transwell and wound healing assays...
May 19, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28503308/portal-hypertension-as-the-initial-manifestation-of-poems-syndrome-a-case-report
#2
Lina Wu, Yue Li, Fang Yao, Chongmei Lu, Jian Li, Weixun Zhou, Jiaming Qian
BACKGROUND: Portal hypertension has a broad differential diagnosis. POEMS syndrome is an uncommon cause of it. POEMS syndrome is a rare disease involving multiple organs. In differential diagnosis of portal hypertension, POEMS syndrome should be considered especially when other symptoms such as numbness, organomegaly, endocrine alteration and skin changes also present, as it is highlighted by our case. CASE PRESENTATION: We report a 46-year-old Chinese male, a teacher, presenting with portal hypertension...
2017: BMC Hematology
https://www.readbyqxmd.com/read/28439677/ap-2%C3%AE-reverses-vincristine-induced-multidrug-resistance-of-sgc7901-gastric-cancer-cells-by-inhibiting-the-notch-pathway
#3
Wei Lian, Li Zhang, Long Yang, Wensheng Chen
Multidrug resistance (MDR) remains a major clinical obstacle in the treatment of gastric cancer (GC) since it causes tumor recurrence and metastasis. The transcription factor activator protein-2α (AP-2α) has been implicated in drug-resistance in breast cancer; however, its effects on MDR of gastric cancer are far from understood. In this study, we aimed to explore the effects of AP-2α on the MDR in gastric cancer cells selected by vincristine (VCR). Decreased AP-2α levels were markedly detected by RT-PCR and Western blot in gastric cancer cell lines (BGC-823, SGC-7901, AGS, MKN-45) compared with that in the gastric epithelial cell line (GES-1)...
April 24, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28437168/regulation-of-pten-degradation-and-nedd4-1-e3-ligase-activity-by-numb
#4
Chen Shao, Zhiguo Li, Nihal Ahmad, Xiaoqi Liu
The critical tumor suppressor PTEN is regulated by numerous post-translational modifications including phosphorylation, acetylation and ubiquitination. Ubiquitination of PTEN was reported to control both PTEN stability and nuclear localization. Notably, the HECT E3-ligase NEDD4-1 was identified as the ubiquitin ligase for PTEN, mediating its degradation and down-stream events. However, the mechanisms how NEDD4-1 is regulated by up-stream signaling pathways or interaction with other proteins in promoting PTEN degradation remain largely unclear...
May 19, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28379442/an-rrm-znf-rna-recognition-module-targets-rbm10-to-exonic-sequences-to-promote-exon-exclusion
#5
Katherine M Collins, Yaroslav A Kainov, Evangelos Christodolou, Debashish Ray, Quaid Morris, Timothy Hughes, Ian A Taylor, Eugene V Makeyev, Andres Ramos
RBM10 is an RNA-binding protein that plays an essential role in development and is frequently mutated in the context of human disease. RBM10 recognizes a diverse set of RNA motifs in introns and exons and regulates alternative splicing. However, the molecular mechanisms underlying this seemingly relaxed sequence specificity are not understood and functional studies have focused on 3΄ intronic sites only. Here, we dissect the RNA code recognized by RBM10 and relate it to the splicing regulatory function of this protein...
April 4, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28355722/-a-clinical-analysis-of-5-patients-with-infratentorial-primary-angiitis-of-central-nervous-system
#6
L J Peng, H R Qian, L L Mao, D Y Xia, X K Qi
Objective: To explore the clinical characteristics of infratentorial primary angiitis in central nervous system(PACNS). Methods: A total of 5 cases diagnosed as infratentorial PACNS in the neurology department of Navy General Hospital of PLA in 2015 were enrolled in the study. The clinical, imaging and pathological data were collected and analyzed. Results: All the 5 cases were male with the median onset age of thirty-four. Five cases presented with dizziness, two with headache, three with walking unstable, two with facial numbness and one with dysarthria...
April 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28347671/deletion-of-numb-numblike-in-glutamatergic-neurons-leads-to-anxiety-like-behavior-in-mice
#7
Wenyu Qian, Yang Hong, Minyan Zhu, Liang Zhou, Hongchang Li, Huashun Li
Endocytic adaptor protein Numb is the first identified cell fate determinant in Drosophila melanogaster. It has been implicated in Notch signaling pathway and regulation of neural stem cells proliferation in the central nervous system. Numb is also expressed in postmitotic neurons, in vitro studies showed that Numb is involved in neuronal morphologic development, such as neurite growth, axonal growth and spine development. However, in vivo functions of Numb in the postmitotic neurons are largely unknown. Here we show that deletion of Numb/Numblike in glutamatergic neurons causes anxiety-like behavior in mouse...
March 24, 2017: Brain Research
https://www.readbyqxmd.com/read/28328817/retrospective-analysis-of-the-overt-proteinuria-diabetic-kidney-disease-in-the-treatment-of-modified-shenzhuo-formula-for-2-years
#8
Hongdong Chen, Jing Guo, Xuemin Zhao, Xinhui He, Zhongchen He, Linhua Zhao, Xiaolin Tong
The objective of the present study was to evaluate the 2-year effectiveness of modified Shenzhuo formula in the treatment of overt proteinuria diabetic kidney disease (DKD).Patients diagnosed with type 2 DKD in the clinical research database of Prof Xiaolin Tong (>20,000 data points) with >1-year follow-up were screened for this study. Patients' demographic data, chief complaint, present illness, past history, allergic history, personal history, family history, test results, tongue images, pulse information, and prescription information at 1, 1...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28283891/the-potential-role-for-early-biomarker-testing-as-part-of-a-modern-multidisciplinary-approach-to-sj%C3%A3-gren-s-syndrome-diagnosis
#9
REVIEW
Kenneth A Beckman, Jodi Luchs, Mark S Milner, Julian L Ambrus
Sjögren's syndrome (SS) is a chronic and progressive multisystem autoimmune disease typically managed by rheumatologists. Diagnostic delays are common, due in large part to the non-specific and variable nature of SS symptoms and the slow progression of disease. The hallmark characteristics of SS are dry eye and dry mouth, but there are a broad range of other possible symptoms such as joint and muscle pain, skin rashes, chronic dry cough, vaginal dryness, extremity numbness or tingling, and disabling fatigue...
March 10, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28223335/cooperation-of-musashi-2-numb-mdm2-and-p53-in-drug-resistance-and-malignant-biology-of-pancreatic-cancer
#10
Weiwei Sheng, Ming Dong, Chuanping Chen, Zixin Wang, Yunwei Li, Kewei Wang, Yuji Li, Jianping Zhou
Our earlier work showed that Musashi (MSI)-2 promoted the development of pancreatic cancer (PC) by down-regulating Numb, which prevented murine double-minute (MDM)-2-mediated p53 ubiquitin degradation. Thus, we investigate the relationship among MSI2, Numb, MDM2, and p53 in PC in vitro and invivo, an association that has not been reported to our knowledge. MSI2 had no relationship with mutant p53 (mtp53) and wild-type p53 (wtp53) in normal PC cells. However, in response to gemcitabine or cisplatin treatment, MSI2 silencing simultaneously down-regulated MDM2 and up-regulated Numb and wtp53 protein levels...
February 21, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28194181/simultaneous-left-ventricular-and-deep-vein-thrombi-caused-by-protein-c-deficiency
#11
Harufumi Maki, Motohiro Nishiyama, Motoaki Shirakawa
Protein C deficiency is a risk of venous thrombosis because of poor fibrinolytic activity. It remains controversial whether protein C deficiency causes arterial thrombosis. A 21-year-old woman was referred with a chief complaint of right leg pain and numbness. Contrast-enhanced computed tomography revealed a low-density mass in the left ventricle (LV), splenic infarction, and peripheral arterial obstructions in her right leg. Thrombosis extending from the renal vein to the inferior vena cava was also detected...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28153862/the-cargo-protein-map17-pdzk1ip1-regulates-the-cancer-stem-cell-pool-activating-the-notch-pathway-by-abducting-numb
#12
Jose M Garcia-Heredia, Antonio Lucena-Cacace, Eva M Verdugo-Sivianes, Marco Perez, Amancio Carnero
Purpose Cancer stem cells (CSCs) are self-renewing tumor cells, with ability to generate the diverse differentiated tumor cell subpopulations. They differ from normal stem cells in the deregulation of the mechanisms that normally controls stem cell physiology. CSCs are the origin of metastasis and highly resistant to therapy. Therefore the understanding of the CSC origin and deregulated pathways is important for tumor control. Experimental design We have included experiments in vitro, in cell lines and tumors of different origins...
February 2, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28143872/musashi-rna-binding-proteins-as-cancer-drivers-and-novel-therapeutic-targets
#13
REVIEW
Alexander E Kudinov, John Karanicolas, Erica A Golemis, Yanis Boumber
Aberrant gene expression that drives human cancer can arise from epigenetic dysregulation. Although much attention has focused on altered activity of transcription factors and chromatin-modulating proteins, proteins that act posttranscriptionally can potently affect expression of oncogenic signaling proteins. The RNA-binding proteins (RBP) Musashi-1 (MSI1) and Musashi-2 (MSI2) are emerging as regulators of multiple critical biological processes relevant to cancer initiation, progression, and drug resistance...
May 1, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28095111/increased-numb-protein-expression-predicts-poor-clinical-outcomes-in-esophageal-squamous-cell-carcinoma-patients
#14
Zhenguo Liu, Canqiao Luo, Weixiong Yang, Kefeng Wang, Chuang Hu, Jianyong Zou, Hua Zhu, Liwu Fu, Jing Nie, Chao Cheng
Numb is a protein whose asymmetric segregation during cell division determines cell fate and has numerous functions relevant to multiple fields of study, including developmental neurobiology and cancer biology. Little is known about the role of Numb in esophageal squamous cell carcinoma (ESCC), the predominant histological esophageal carcinoma in Asian populations. In this study, we focused on the expression and biological functions of Numb in the context of ESCC. From analysis of tissue microarrays with 212 patients, it was found that Numb was significantly upregulated in ESCC tissues compared to corresponding non-cancerous tissues...
January 17, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28067668/adaptor-proteins-numb-and-numbl-promote-cell-cycle-withdrawal-by-targeting-erbb2-for-degradation
#15
Maretoshi Hirai, Yoh Arita, C Jane McGlade, Kuo-Fen Lee, Ju Chen, Sylvia M Evans
Failure of trabecular myocytes to undergo appropriate cell cycle withdrawal leads to ventricular noncompaction and heart failure. Signaling of growth factor receptor ERBB2 is critical for myocyte proliferation and trabeculation. However, the mechanisms underlying appropriate downregulation of trabecular ERBB2 signaling are little understood. Here, we have found that the endocytic adaptor proteins NUMB and NUMBL were required for downregulation of ERBB2 signaling in maturing trabeculae. Loss of NUMB and NUMBL resulted in a partial block of late endosome formation, resulting in sustained ERBB2 signaling and STAT5 activation...
February 1, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28011038/msx1-positive-progenitors-in-the-retinal-ciliary-margin-give-rise-to-both-neural-and-non-neural-progenies-in-mammals
#16
Marie-Claude Bélanger, Benoit Robert, Michel Cayouette
In lower vertebrates, stem/progenitor cells located in a peripheral domain of the retina, called the ciliary margin zone (CMZ), cooperate with retinal domain progenitors to build the mature neural retina. In mammals, it is believed that the CMZ lacks neurogenic potential and that the retina develops from one pool of multipotent retinal progenitor cells (RPCs). Here we identify a population of Msx1-expressing progenitors in the mouse CMZ that is both molecularly and functionally distinct from RPCs. Using genetic lineage tracing, we report that Msx1 progenitors have unique developmental properties compared with RPCs...
January 23, 2017: Developmental Cell
https://www.readbyqxmd.com/read/27940916/hierarchical-crmp2-posttranslational-modifications-control-nav1-7-function
#17
Erik T Dustrude, Aubin Moutal, Xiaofang Yang, Yuying Wang, May Khanna, Rajesh Khanna
Voltage-gated sodium channels are crucial determinants of neuronal excitability and signaling. Trafficking of the voltage-gated sodium channel NaV1.7 is dysregulated in neuropathic pain. We identify a trafficking program for NaV1.7 driven by hierarchical interactions with posttranslationally modified versions of the binding partner collapsin response mediator protein 2 (CRMP2). The binding described between CRMP2 and NaV1.7 was enhanced by conjugation of CRMP2 with small ubiquitin-like modifier (SUMO) and further controlled by the phosphorylation status of CRMP2...
December 27, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27916037/-relationship-and-clinicopathological-significance-of-numb-and-epithelial-mesenchymal-transition-related-proteins-in-human-pancreatic-cancer
#18
W W Sheng, M Dong, Z R Liu, Y J Li, J P Zhou, Q Dong
Objective: To study the relationship and clinicopathological significance of Numb and epithelial-mesenchymal transition related proteins in human pancreatic cancer(PC). Methods: Sixty-three cases of pancreatic cancer tissues were obtained from department of gastrointestinal surgery in the First Hospital of China Medical University from January 2005 to December 2012, all samples were histopathologically proved to be adenocarcinoma. The expressions of Numb, E-cadherin and Vimentin proteins in 63 cases of pancreatic cancer specimens were detected by immunohistochemistry...
December 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27889896/decreased-anxiety-related-behaviour-but-apparently-unperturbed-numb-function-in-ligand-of-numb-protein-x-lnx-1-2-double-knockout-mice
#19
Joan A Lenihan, Orthis Saha, Victoria Heimer-McGinn, John F Cryan, Guoping Feng, Paul W Young
NUMB is a key regulator of neurogenesis and neuronal differentiation that can be ubiquitinated and targeted for proteasomal degradation by ligand of numb protein-X (LNX) family E3 ubiquitin ligases. However, our understanding of LNX protein function in vivo is very limited. To examine the role of LNX proteins in regulating NUMB function in vivo, we generated mice lacking both LNX1 and LNX2 expression in the brain. Surprisingly, these mice are healthy, exhibit unaltered levels of NUMB protein and do not display any neuroanatomical defects indicative of aberrant NUMB function...
November 26, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27843683/spinal-neuromodulation-as-a-novel-surgical-option-for-failed-back-surgery-syndrome-following-rhbmp-exuberant-bony-growth-in-instrumented-lumbar-fusion-a-case-report-and-literature-review
#20
Ramsis F Ghaly, Alexei Lissounov, Tatiana Tverdohleb, David Kohanchi, Kenneth D Candido, Nebojsa Nick Knezevic
BACKGROUND: Bone morphogenic protein (BMP) for instrumented lumbar fusion was approved in 2002, and since then has led to an increasing incidence of BMP-related neuropathic pain. These patients are usually resistant to conventional medical therapy and frequently undergo multiple surgical revisions without any pain relief. CASE DESCRIPTION: A 58-year-old male was referred to the author's outpatient clinic after four lumbar surgeries did not provide satisfactory pain relief...
2016: Surgical Neurology International
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