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https://www.readbyqxmd.com/read/28634203/papers-of-note-in-science356-6343
#1
Annalisa M VanHook
This week's articles describe a mechanism by which starvation primes a cellular nutrient-sensing system for activation upon refeeding; microRNAs that control pain sensitivity; and the lasting effects of early life stress on the likelihood of developing depression.
June 20, 2017: Science Signaling
https://www.readbyqxmd.com/read/28631567/microrna-1285-5p-influences-the-proliferation-and-metastasis-of-non-small-cell-lung-carcinoma-cells-via-downregulating-cdh1-and-smad4
#2
Shixia Zhou, Zhongmian Zhang, Pengyuan Zheng, Wenchao Zhao, Na Han
Abnormal expression of microRNAs has been reported to regulate gene expression and cancer cell growth, invasion, and migration. Recently, upregulation of hsa-miR-1285 was demonstrated in bronchoalveolar lavage fluid samples from patients with lung cancer and downregulation in plasma level of stage-I lung cancer patients. However, the function and the underlying mechanism of miR-1285 in non-small-cell lung carcinoma have not been elucidated. In this study, we found that miR-1285-5p, the mature form of miR-1285, was significantly upregulated in human non-small-cell lung carcinoma cell lines A549 and SK-MES-1...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28627674/mir-200c-serves-an-important-role-in-h5v-endothelial-cells-in-high-glucose-by-targeting-notch1
#3
Yunfeng Zhang, Qiang Guan, Xing Jin
Diabetic vasculopathy is the leading cause of impairment and death in diabetic patients, a variety of factors are involved in its underlying pathological process, however, endothelial cell (EC) dysfunction serves a significant role in the process. MicroRNAs (miRNAs) have emerged as potential therapeutic candidates, due to their ability to regulate multiple targets involved in ECs. The aim of the present study was to investigate the role of miR‑200c in regulating ECs in high glucose condition. To investigate the role of miR‑200c in regulating hyperglycemia induced ECs by targeting Notch1, ECs H5V cells were cultured in high sugar conditions to initiate the inhibition of Notch1, the same cells in normal medium as the control...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28618313/a-mir4646-associated-methylation-locus-is-hypomethylated-in-adolescent-depression
#4
Adrian E Boström, Diana-Maria Ciuculete, Misty Attwood, Regina Krattinger, Lamia Nikontovic, Olga E Titova, Gerd A Kullak-Ublick, Jessica Mwinyi, Helgi B Schiöth
BACKGROUND: Studies of epigenetics and transcriptional activity in adolescents may provide knowledge about possible preventive strategies of depression. METHODS: We present a methylome-wide association study (MWAS) and cohort validation analysis of depression in adolescents, in two separate cohorts: discovery (n=93) and validation data set 1 (n=78). The genome-wide methylation pattern was measured from whole blood using the Illumina 450K array. A second validation cohort, validation data set 2, consists of post-mortem brain biopsies from depressed adults (n=58)...
May 17, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28549965/microrna-101-in-the-ventrolateral-orbital-cortex-vlo-modulates-depressive-like-behaviors-in-rats-and-targets-dual-specificity-phosphatase-1-dusp1
#5
Yan Zhao, Shuang Wang, Zheng Chu, Yonghui Dang, Juanxia Zhu, Xingli Su
Long-term exposure to stress plays a key role in the pathogenesis of major depression. Recently, the ventrolateral orbital cortex (VLO) has received considerable attention for its role in the antidepressant response. However, the mechanisms underlying stress response in the VLO remain largely elusive. MiR-101 has been implicated in regulating multiple neurological processes. The present study used the chronic unpredictable mild stress (CUMS) rat model to investigate the expression of miR-101 in the VLOs of rat brains and the possible relevance of miR-101 to depression...
May 23, 2017: Brain Research
https://www.readbyqxmd.com/read/28530238/micrornas-146a-b-5-and-425-3p-and-24-3p-are-markers-of-antidepressant-response-and-regulate-mapk-wnt-system-genes
#6
Juan Pablo Lopez, Laura M Fiori, Cristiana Cruceanu, Rixing Lin, Benoit Labonte, Hannah M Cates, Elizabeth A Heller, Vincent Vialou, Stacy M Ku, Christophe Gerald, Ming-Hu Han, Jane Foster, Benicio N Frey, Claudio N Soares, Daniel J Müller, Faranak Farzan, Francesco Leri, Glenda M MacQueen, Harriet Feilotter, Kathrin Tyryshkin, Kenneth R Evans, Peter Giacobbe, Pierre Blier, Raymond W Lam, Roumen Milev, Sagar V Parikh, Susan Rotzinger, Steven C Strother, Cathryn M Lewis, Katherine J Aitchison, Gayle M Wittenberg, Naguib Mechawar, Eric J Nestler, Rudolf Uher, Sidney H Kennedy, Gustavo Turecki
Antidepressants (ADs) are the most common treatment for major depressive disorder (MDD). However, only ∼30% of patients experience adequate response after a single AD trial, and this variability remains poorly understood. Here, we investigated microRNAs (miRNAs) as biomarkers of AD response using small RNA-sequencing in paired samples from MDD patients enrolled in a large, randomized placebo-controlled trial of duloxetine collected before and 8 weeks after treatment. Our results revealed differential expression of miR-146a-5p, miR-146b-5p, miR-425-3p and miR-24-3p according to treatment response...
May 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28521412/microrna-335-and-its-target-rock1-synergistically-influence-tumor-progression-and-prognosis-in-osteosarcoma
#7
Yong Wang, Ningning Wang, Xiandong Zeng, Jie Sun, Guangbin Wang, Huimian Xu, Wei Zhao
MicroRNA (miR)-335 and Rho-associated serine-threonine protein kinase 1 (Rock1) is ectopically expressed in multiple malignant tumors including osteosarcoma. The present study aimed to clarify whether the combined ectopically expressed miR-335 and Rock1 was correlated with clinicopathological features and prognosis in patients with osteosarcoma. The expression of miR-335 and Rock1 in 91 osteosarcoma tissue samples and 47 noncancerous bone tissues were determined respectively by in situ hybridization and immunohistochemistry...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28520926/investigation-of-mir-1202-mir-135a-and-mir-16-in-major-depressive-disorder-and-antidepressant-response
#8
Laura M Fiori, Juan Pablo Lopez, Stephane Richard-Devantoy, Marcelo Berlim, Eduardo Chachamovich, Fabrice Jollant, Jane Foster, Susan Rotzinger, Sidney Kennedy, Gustavo Turecki
Background: Major depressive disorder is a debilitating illness, which is most commonly treated with antidepressant drugs. As the majority of patients do not respond on their first trial, there is great interest in identifying biological factors which indicate the most appropriate treatment for each patient. Studies suggest that microRNA represent excellent biomarkers to predict antidepressant response. Methods: We investigated the expression of miR-1202, miR-135a, and miR-16 in peripheral blood from two cohorts of depressed patients who received eight weeks of antidepressant therapy...
May 16, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28490207/microrna-124-a-putative-therapeutic-target-and-biomarker-for-major-depression
#9
Yogesh Dwivedi
No abstract text is available yet for this article.
May 25, 2017: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/28471382/decrease-of-mir-195-promotes-chondrocytes-proliferation-and-maintenance-of-chondrogenic-phenotype-via-targeting-fgf-18-pathway
#10
Yong Wang, Tao Yang, Yadong Liu, Wei Zhao, Zhen Zhang, Ming Lu, Weiguo Zhang
Slow growth and rapid loss of chondrogenic phenotypes are the major problems affecting chronic cartilage lesions. The role of microRNA-195 (miR-195) and its detailed working mechanism in the fore-mentioned process remains unknown. Fibroblastic growth factor 18 (FGF-18) plays a key role in cartilage homeostasis; whether miR-195 could regulate FGF-18 and its downstream signal pathway in chondrocyte proliferation and maintenance of chondrogenic phenotypes still remains unclear. The present research shows elevated miR-195 but depressed FGF-18 expressed in joint fluid specimens of 20 patients with chronic cartilage lesions and in CH1M and CH3M chondrocytes when compared with that in joint fluid specimens without cartilage lesions and in CH1W and CH2W chondrocytes, respectively...
May 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28463242/exercise-alters-mouse-sperm-small-noncoding-rnas-and-induces-a-transgenerational-modification-of-male-offspring-conditioned-fear-and-anxiety
#11
A K Short, S Yeshurun, R Powell, V M Perreau, A Fox, J H Kim, T Y Pang, A J Hannan
There is growing evidence that the preconceptual lifestyle and other environmental exposures of a father can significantly alter the physiological and behavioral phenotypes of their children. We and others have shown that paternal preconception stress, regardless of whether the stress was experienced during early-life or adulthood, results in offspring with altered anxiety and depression-related behaviors, attributed to hypothalamic-pituitary-adrenal axis dysregulation. The transgenerational response to paternal preconceptual stress is believed to be mediated by sperm-borne small noncoding RNAs, specifically microRNAs...
May 2, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28389369/prenatal-stress-and-depression-associated-neuronal-development-in-neonates
#12
REVIEW
Mahino Fatima, Saurabh Srivastav, Amal Chandra Mondal
Prenatal maternal depression has its direct effects on early brain development deficits with permanent changes in neuroendocrine functions and impaired behavior in offsprings. Prenatal stress (PS) transmits its affect on developing fetus and on pregnancy outcomes in adult offsprings. This results in impaired neurodevelopment, delayed cognitive and motor development with impaired behavior towards stressful conditions. There are sufficient evidences in animal models suggesting depression responsive hypothalamic-pituitary-adrenal (HPA) axis and its hormonal response via cortisol, responsible for its critical effects in both the mother and offspring...
August 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28386521/micrornas-as-biomarkers-for-psychiatric-conditions-a-review-of-current-research
#13
REVIEW
Anoop Narahari, Mariyah Hussain, Venkatesh Sreeram
Neural-derived exosomes can be used as diagnostic markers to screen for various psychiatric conditions. These intravenously injected exosomes carry the potential to cross the blood brain barrier and deliver miRNA molecules specifically to neurons, microglia, and oligodendrocytes in the brain, resulting in specific gene knockdown. Here the authors review and discuss the current research on microRNA molecules and the therapeutic roles they may potentially play in treating depression, bipolar disorder, and schizophrenia...
January 2017: Innovations in Clinical Neuroscience
https://www.readbyqxmd.com/read/28338190/the-role-of-mir-146a-in-modulating-traf6-induced-inflammation-during-lupus-nephritis
#14
C-Z Zheng, Y-B Shu, Y-L Luo, J Luo
OBJECTIVE: Lupus nephritis (LN) is a major complication of systemic lupus erythematosus (SLE). A previous study showed decreased expression level of microRNA (miR)-146a in LN patients, indicating its possible role in LN pathogenesis. PATIENTS AND METHODS: A total of 98 LN patients were recruited, for the collection of renal tissue samples during biopsy or surgery. Another cohort of 15 patients who had renal tumor resection was recruited as the control group, for the further comparison of expression levels of miR-146a, TRAF6 and p-p65 in tissues...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28303410/downregulation-of-myogenic-micrornas-in-sub-chronic-but-not-in-sub-acute-model-of-daunorubicin-induced-cardiomyopathy
#15
Gabriel Doka, Eva Malikova, Kristina Galkova, Giampiero La Rocca, Peter Kruzliak, Mariusz Adamek, Luis Rodrigo, Peter Krenek, Jan Klimas
Cardiac muscle-related microRNAs play important roles in cardiac development and disease by translational silencing of mRNAs, the dominant mechanism of microRNA action. To test whether they could be involved in daunorubicin-associated cardiomyopathy (DACM), we determined expression patterns of myomiRs in two distinct models of DACM. We used 10-12 weeks old male Wistar rats. In the sub-acute model, rats were administered with six doses of daunorubicin (DAU-A, 3 mg/kg, i.p., every 48 h). Rats were sacrificed two days after the last dose...
March 16, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28290081/potential-use-of-microrna-for-monitoring-therapeutic-response-to-antidepressants
#16
Raoul Belzeaux, Rixing Lin, Gustavo Turecki
Major depressive disorder (MDD) is a serious and common psychiatric disorder that affects millions of people worldwide. The most common treatment methods for MDD are antidepressant drugs, many of which act by regulating monoamines by inhibiting pre-synaptic reuptake and/or by modulating monoamine receptors. Despite advances in antidepressants and other treatment options, therapy is often based on subjective decisions made by the physician. Moreover, it requires time to determine treatment outcome and to define whether the prescribed treatment is effective...
March 13, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28254819/mir-15b-5p-regulates-collateral-artery-formation-by-targeting-akt3-protein-kinase-b-3
#17
Ling-Ping Zhu, Ji-Peng Zhou, Jia-Xiong Zhang, Jun-Yao Wang, Zhen-Yu Wang, Miao Pan, Ling-Fang Li, Chuan-Chang Li, Kang-Kai Wang, Yong-Ping Bai, Guo-Gang Zhang
OBJECTIVE: To identify circulating microRNAs that are differentially expressed in severe coronary heart disease with well or poorly developed collateral arteries and to investigate their mechanisms of action in vivo and in vitro. APPROACH AND RESULTS: In our study, we identified a circulating microRNA, miR-15b-5p, with low expression that, nevertheless, characterized patients with sufficient coronary collateral artery function. Moreover, in murine hindlimb ischemia model, in situ hybridization identified that miR-15b-5p was specifically expressed in vascular endothelial cells of adductors in sham group and was remarkably downregulated after femoral artery ligation...
May 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28228635/mir-3202-promoted-h5v-cell-apoptosis-by-directly-targeting-fas-apoptotic-inhibitory-molecule-2-faim2-in-high-glucose-condition
#18
Xiaozhong Huang, Hui Xie, Guanhua Xue, Meng Ye, Lan Zhang
BACKGROUND Vascular complications are a major concern for patients with diabetes. Endothelial cells (ECs) play a key role in vascular function. MicroRNAs (miRNAs) have been shown to play an important role in mediating EC function; miRNAs are vulnerable to hyperglycemic conditions. Previous reports verified that Fas apoptotic inhibitory molecule 2 (FAIM2) can inhibit cell apoptosis through repressing the FAS-associated death domain protein (FADD) pathway. This current study was designed to explore the potential involvement of miR-3202 in the pathogenesis of ECs in high-glucose conditions...
February 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28181066/plasma-levels-of-mir-137-and-mir-124-are-associated-with-parkinson-s-disease-but-not-with-parkinson-s-disease-with-depression
#19
Na Li, Xudong Pan, Jingli Zhang, Aijun Ma, Shaonan Yang, Juanjuan Ma, Anmu Xie
MicroRNAs (miRNAs) are a class of small, non-coding RNAs that regulate gene expression at the post-transcriptional level. Recently, it was reported that miR-137, miR-124, and miR-184 were widely expressed in the central nervous system and were vital to neuronal regulation. In this study, we detected the circulating levels of miR-137, miR-124, and miR-184 in PD patients, and explored the potential role of miR-124, miR-137, and miR-184 in the diagnosis of PD. We further described the relationship between these miRNAs and PD with depression (PD-Dep)...
February 8, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28147298/microrna-135a-is-up-regulated-and-aggravates-myocardial-depression-in-sepsis-via-regulating-p38-mapk-nf-%C3%AE%C2%BAb-pathway
#20
Ge Zheng, Minli Pan, Weimin Jin, Guoxin Jin, Yumao Huang
MicroRNA-135a (miR-135a) is implicated in the pathological processes of several cancers. However, the roles and regulatory mechanism of miR-135a in sepsis-induced myocardial depression (MD) remain largely unknown. In this study, the serum of patients with sepsis and healthy controls was obtained. The miR-135a expression was then measured. Then lentiviruses (miR-135a mimic, inhibitor and scramble control) were transfected into BALB/c mice. After 4days of transfection, polymicrobial sepsis model was established by cecal ligation and puncture (CLP) surgery...
April 2017: International Immunopharmacology
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