keyword
https://read.qxmd.com/read/32976583/adverse-childhood-experience-genes-and-ptsd-risk-in-soldiers-a-methylation-study
#1
Michael R Hossack, Matthew W Reid, James K Aden, Thomas Gibbons, Jody C Noe, Adam M Willis
INTRODUCTION: Epigenetics can serve as a marker of susceptibility to many known psychiatric diseases. DNA methylation patterns of multiple genes have been studied in both civilian populations and military personnel with post-traumatic stress disorder (PTSD). Many of these genes serve various functions that span the hypothalamic-pituitary-adrenal axis, immune system, and central nervous system (CNS) growth factors and neurotransmission. It is thought that the methylation levels of such genes may be able to identify individuals who are at higher risk of developing PTSD...
March 2, 2020: Military Medicine
https://read.qxmd.com/read/32952155/polymorphisms-of-stress-pathway-genes-and-emergence-of-suicidal-ideation-at-antidepressant-treatment-onset
#2
B Nobile, N Ramoz, I Jaussent, J Dubois, S Guillaume, Ph Gorwood, Ph Courtet
The prescription of antidepressant drugs is one of the most frequently used strategies to prevent suicide and suicidal behavior. However, some patients develop suicidal ideation at antidepressant treatment onset, a phenomenon known as treatment-emergent suicidal ideation (TESI). Few studies have explored TESI pharmacogenomics. As the Hypothalamic-Pituitary-Adrenal (HPA) axis might be implicated in suicidal behavior, we assessed the relationship between TESI and single nucleotide polymorphisms (SNPs) in the HPA axis-implicated NR3C1 (n = 7 SNPs), FKBP5 (n = 5 SNPs), AVPR1B (n = 1 SNPs), CRHR1 (n = 1 SNPs), and SKA2 (n = 1 SNPs) genes, in a sample of 3566 adult outpatients with depression for whom an antidepressant treatment was introduced...
September 20, 2020: Translational Psychiatry
https://read.qxmd.com/read/32682011/spindle-and-kinetochore-associated-protein-2-facilitates-the-proliferation-and-invasion-of-hepatocellular-carcinoma-via-the-regulation-of-wnt-%C3%AE-catenin-signaling
#3
Jiong Jiang, Bing Xu, Ying Zheng, Xiaoyan Guo, Fenrong Chen
Recent studies have shown that spindle and kinetochore-associated protein 2 (SKA2) is dysregulated in multiple tumors and acts as a key regulator of tumor progression. However, whether SKA2 plays a role in hepatocellular carcinoma (HCC) has not been fully elucidated. The purpose of this study was to explore the expression, function and underlying molecular mechanism of SKA2 in HCC. We found that SKA2 was highly expressed in HCC tissues and cell lines. Knockdown of SKA2 caused marked reductions in the proliferative, colony-forming and invasive capacities of HCC cells, while SKA2 overexpression had opposite effects...
July 15, 2020: Experimental Cell Research
https://read.qxmd.com/read/32634746/childhood-maltreatment-and-hpa-axis-gene-expression-in-bipolar-disorders-a-gene-network-analysis
#4
D Grillault Laroche, E Curis, F Bellivier, C Nepost, C Courtin, B Etain, C Marie-Claire
INTRODUCTION: Bipolar disorder (BD) is highly associated with childhood maltreatment (CM), the exposure to such early adversity being suggested to disrupt the expression of several biological pathways. This study aims at exploring associations between the mRNA levels of 9 HPA axis genes in lymphoblastoid cell lines from patients with BD according to their self-reported exposure to CM. METHODS: The sample consisted of 33 Caucasian patients with a diagnosis of BD type 1, assessed for the exposure to CM with the Childhood Trauma Questionnaire (CTQ)...
June 6, 2020: Psychoneuroendocrinology
https://read.qxmd.com/read/32565988/prr11-and-ska2-promote-the-proliferation-migration-and-invasion-of-esophageal-carcinoma-cells
#5
Jie Chen, Hong-Mei Yang, Hui-Chong Zhou, Rui-Rui Peng, Zhao-Xiao Niu, Chun-Yan Kang
Proline-rich protein 11 (PRR11) together with its upstream adjacent gene, spindle and kinetochore associated 2 (SKA2), represent a classic, head-to-head gene pair. The role of the PRR11 and SKA2 gene pair has been described in various types of cancer, including breast cancer, non-small cell lung cancer, hepatocellular carcinoma and ovarian carcinoma. However, its role in esophageal carcinoma (ESCC) remains unclear. The mRNA expression levels of PRR11 and SKA2 were examined in ESCC surgical specimens. In addition, the role of PRR11 and SKA2 in the proliferation and migratory and invasive capacities of EC9706 and EC109 cell lines was examined...
July 2020: Oncology Letters
https://read.qxmd.com/read/32375462/the-correlation-of-ska2-with-cortisol-il-1%C3%AE-and-anxiety-in-pregnant-women-with-the-risk-of-preterm-delivery
#6
Janat Ijabi, Reza Afrisham, Hemen Moradi-Sardareh, Parisa Roozehdar, Fatemeh Seifi, Roghayeh Ijabi
OBJECTIVE: The association between preterm birth (PTB), Spindle and Kinetochore Associated Complex Subunit 2 gene (SKA2), cortisol and anxiety have been shown, but in this study, we aimed to clarify whether the expression of the SKA2 gene plays a role in interleukin1β (IL-1β) level since increasing level of IL-1β is linked with PTB. METHODS: The case-control study was conducted on 49 and 51 women with preterm and term delivery, respectively. The score of anxiety was ranked according to the Spielberger state trait Anxiety Inventory...
May 8, 2020: Psychiatry Investigation
https://read.qxmd.com/read/32364083/shift-of-hbf-to-hba-under-influence-of-ska2-gene-a-possible-link-between-cortisol-and-hematopoietic-maturation-in-term-and-preterm-newborns
#7
Janat Ijabi, Reza Afrisham, Hemen Moradi-Sardareh, Parisa Roozehdar, Fatemeh Seifi, Amirhossein Sahebkar, Roghayeh Ijabi
BACKGROUND: We hypothesized that SKA2 gene can convert hemoglobin F to A leading to the maturity of the hematopoietic system by glucocorticoid hormone; so, the present study aimed to investigate the health outcome of newborns by using the effect of SKA2 gene on hematopoietic maturation. METHODS: At first, 142 samples were divided into term and preterm. After sampling from the umbilical cord blood, the expression of SKA2 genes and HbA and F were evaluated by quantitative RT-PCR...
May 3, 2020: Endocrine, Metabolic & Immune Disorders Drug Targets
https://read.qxmd.com/read/32241158/ska2-promotes-proliferation-and-invasion-of-hepatocellular-carcinoma-cells-via-activating-the-%C3%AE-catenin-signaling-pathway
#8
D Wang, Y J Suo, L Gong, S Q Lv
Spindle and kinetochore associated complex subunit 2 (SKA2) is a part of the spindle and kinetochore associated (SKA) complex, which has been reported in various cancers, including the breast cancer, lung cancer, and glioma. However, its role remains unclear in hepatocellular carcinoma (HCC). Our study found that SKA2 mRNA levels and immunohistochemistry staining were significantly increased in HCC tissues, compared with normal tissues. The role of SKA2 in cell proliferation and invasion was also determined...
March 30, 2020: Neoplasma
https://read.qxmd.com/read/31762806/cip2a-mir-301a-feedback-loop-promotes-cell-proliferation-and-invasion-of-triple-negative-breast-cancer
#9
Jiang Yin, Danyang Chen, Kai Luo, Minying Lu, Yixue Gu, Shanshan Zeng, Xiangzhou Chen, Ying Song, Zhijie Zhang, Guopei Zheng, Zhimin He, Hao Liu
Triple-negative breast cancer (TNBC) is a highly aggressive breast cancer subtype and lacks effective targeted therapies. Cancerous inhibitor of protein phosphatase 2A (Cip2a) is an oncogene that is known to inhibit PP2A tumor suppressor activity in human malignancies. We previously demonstrated that Cip2a is a novel target for the treatment of TNBC. However, the functional roles of Cip2a in TNBC progression are still not fully characterized. In this study, we identified that miR-301a is a novel target of Cip2a in TNBC cell lines by miRNA microarray analysis...
2019: Journal of Cancer
https://read.qxmd.com/read/31452811/upregulation-of-microrna-520a-3p-inhibits-the-proliferation-migration-and-invasion-via-spindle-and-kinetochore-associated-2-in-gastric-cancer
#10
Hui Su, Feng Ren, Haitao Jiang, Yunjie Chen, Xiaoxiang Fan
MicroRNAs (miR) serve important roles in the development and progression of tumors by targeting different genes. miR-520a-3p reported in lung and breast cancers as a tumor suppressor gene. However, the expression and functional significance of miR-520a-3p is not completely understood in gastric cancer (GC). In the present study, it was demonstrated that the expression levels of miR-520a-3p were significantly downregulated in GC tissues and cells using RT-qPCR. In addition, downregulated expression of miR-520a-3p was associated with the clinical stage of the tumor and invasion in patients with GC...
September 2019: Oncology Letters
https://read.qxmd.com/read/31035118/ska2-gene-a-novel-biomarker-for-latent-anxiety-and-preterm-birth-prediction
#11
Janat Ijabi, Hemen Moradi-Sardareh, Reza Afrisham, Fatemeh Seifi, Roghayeh Ijabi
BACKGROUND: There is a relationship between preterm birth (PTB) and anxiety. Spindle and Kinetochore Associated Complex Subunit 2 (SKA2) gene polymorphism (NC_000017.11: g.59110368 G > A) has also been associated with the development of anxiety. The current study was designed to evaluate the relationship between SKA2 gene SNP (NC_000017.11: g.59110368 G > A) with the occurrence of anxiety and PTB which might be considered a predictive biomarker for the prediction of preterm delivery...
April 15, 2019: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://read.qxmd.com/read/31005627/stress-epigenetics-and-depression-a-systematic-review
#12
REVIEW
Caroline Park, Joshua D Rosenblat, Elisa Brietzke, Zihang Pan, Yena Lee, Bing Cao, Hannah Zuckerman, Anastasia Kalantarova, Roger S McIntyre
Environmental stressors, such as childhood maltreatment, have been recognized to contribute to the development of depression. Growing evidence suggests that epigenetic changes are a key mechanism by which stressors interact with the genome leading to stable changes in DNA structure, gene expression, and behaviour. The current review aimed to evaluate the relationship between stress-associated epigenetic changes and depression. Human studies were identified via systematic searching of PubMed/Medline from inception to February 2018...
July 2019: Neuroscience and Biobehavioral Reviews
https://read.qxmd.com/read/30906829/ska2-fam33a-a-novel-gene-implicated-in-cell-cycle-tumorigenesis-and-psychiatric-disorders
#13
REVIEW
Mengyu Xie, Youquan Bu
SKA2 (spindle and KT associated 2), also referred to as FAM33A (family with sequence similarity 33, member A), is a recently identified gene involved in cell cycle regulation, and growing evidence is implicating its roles in tumorigenesis and psychiatric disorders. It has been demonstrated that SKA2, along with its coworkers SKA1 and SKA3, constitutes the SKA complex which plays a critical role in the maintenance of the metaphase plate and/or spindle checkpoint silencing during mitosis. SKA2 is over-expressed both in cancer cell lines and clinical samples including small cell lung cancer and breast cancer, whereas downregulation of SKA2 is associated with depression and suicidal ideation...
March 2019: Genes & Diseases
https://read.qxmd.com/read/30760381/prr11-and-ska2-gene-pair-is-overexpressed-and-regulated-by-p53-in-breast-cancer
#14
Yitao Wang, Chunxue Zhang, Li Mai, Yulong Niu, Yulong Niu, Youquan Bu
Our previous study found that two novel cancer-related genes, PRR11 and SKA2, constituted a classic gene pair that was regulated by p53 and NF-Y in lung cancer. However, their role and regulatory mechanism in breast cancer remain elusive. In this study, we found that the expression levels of PRR11 and SKA2 were upregulated and have a negative prognotic value in breast cancer. Loss-of-function experiments showed that RNAi-mediated knockdown of PRR11 and/or SKA2 inhibited proliferation, migration, and invasion of breast cancer cells...
February 14, 2019: BMB Reports
https://read.qxmd.com/read/30387823/ska2-mediates-invasion-and-metastasis-in-human-breast-cancer-via-emt
#15
Zhouhui Ren, Tong Yang, Pingping Zhang, Kaitai Liu, Weihong Liu, Ping Wang
Spindle and kinetochore‑associated protein 2 (SKA2) is essential for regulating the progression of mitosis. In recent years, SKA2 upregulation has been detected in various human malignancies and the role of SKA2 in tumorigenesis has received increasing attention. However, the expression and functional significance of SKA2 in breast cancer are not completely understood. To study the effects of SKA2 on breast cancer, the expression levels of SKA2 in breast cancer tissues and cell lines were evaluated by western blotting, reverse transcription‑quantitative polymerase chain reaction and immunohistochemical staining...
November 2, 2018: Molecular Medicine Reports
https://read.qxmd.com/read/30316680/increased-expression-of-mir-301a-in-pbmcs-of-patients-with-relapsing-remitting-multiple-sclerosis-is-associated-with-reduced-nkrf-and-pias3-expression-levels-and-disease-activity
#16
Vahid Tavakolpour, Gelareh Shokri, Abdorreza Naser Moghadasi, Parisa Mozafari Nahavandi, Mehrdad Hashemi, Fatemeh Kouhkan
Most of the multiple sclerosis (MS) patients are initially diagnosed with relapsing remitting multiple sclerosis (RRMS). Th17 cells and macrophages have been shown to play critical roles in pathogenesis of MS and initiation of CNS tissue damage. MiR-301a have recently been exposed as an activator of STAT3 in Th17 cells as well as an activator of NF-κB in macrophages by targeting PIAS3 and NKRF correspondingly. However, the possible role of miR-301a in RRMS has not yet been elucidated. Herewith, for the first time, we have studied the expression of miR-301a, NKRF and PIAS3 by quantitative real-time PCR and western blotting method in peripheral blood mononuclear cells (PBMCs) of 71 RRMS patients, including two groups of patients in relapse phase (n = 44) and a group of remitting phase patients (n = 28) in comparison to healthy volunteers (n = 28)...
December 15, 2018: Journal of Neuroimmunology
https://read.qxmd.com/read/30223137/the-role-of-substance-use-smoking-and-inflammation-in-risk-for-suicidal-behavior
#17
He Benny Chang, Sara Munroe, Katarina Gray, Giovanna Porta, Antoine Douaihy, Anna Marsland, David Brent, Nadine M Melhem
BACKGROUND: Alcohol and substance use disorders are important predictors for suicidal behavior. However, the role of individual substances as proximal risk factors for suicidal behavior and the mechanisms through which substance use affect risk are not entirely clear. We examine whether the frequency of substance use and whether biological markers in the HPA axis and inflammatory pathways are associated with clinical risk factors of suicidal behavior of aggression, impulsivity, hopelessness, and poor sleep...
January 15, 2019: Journal of Affective Disorders
https://read.qxmd.com/read/30104400/the-n-terminal-polypeptide-derived-from-vmip-ii-exerts-its-anti-tumor-activity-in-human-breast-cancer-by-regulating-lncrna-spry4-it1
#18
Haihua Wu, Yueyue Wang, Tiantian Chen, Yu Li, Haifeng Wang, Lingyu Zhang, Sulian Chen, Wenrui Wang, Qingling Yang, Changjie Chen
Accumulating evidence demonstrates that long non-coding RNA (lncRNA) sprouty4-intron transcript 1 (lncRNA SPRY4-IT1) plays a vital role in the development of breast cancer. However, the underlying mechanism has not been eventually illuminated. We aimed to explore the biological activity of lncRNA SPRY4-IT1 in breast cancer cells and whether N-terminal polypeptide derived from viral macrophage inflammatory protein II (NT21MP) could exert its anti-tumor effect by regulating lncRNA SPRY4-IT1 and its target gene SKA2 Real-time RT-PCR, Western blotting, wound healing, and invasion assays were used to achieve this goal...
October 31, 2018: Bioscience Reports
https://read.qxmd.com/read/29736203/mir-520d-3p-antitumor-activity-in-human-breast-cancer-via-post-transcriptional-regulation-of-spindle-and-kinetochore-associated-2-expression
#19
Zhouhui Ren, Tong Yang, Jie Ding, Weihong Liu, Xiangyu Meng, Pingping Zhang, Kaitai Liu, Ping Wang
MicroRNAs (miRNAs) play an important role in human tumorigenesis as oncogenes or tumor suppressors by directly binding to the 3'-untranslated region of their target mRNAs. MiR-520d-3p has been reported as a tumor suppressor gene in ovarian cancer and gastric cancer, while the function of miR-520d-3p in human breast cancers is still uninvolved. In this study, we initially identified that the expression of miR-520d-3p was significantly reduced in breast cancer specimens and cell lines. The restoration of miR-520d-3p expression not only reduced breast cancer cell viability by causing the accumulation of G2 phase and cell apoptosis, but also inhibited tumorigenicity in vivo ...
2018: American Journal of Translational Research
https://read.qxmd.com/read/29467908/long-non-coding-rna-spry4-it1-promotes-the-proliferation-and-invasion-of-u251-cells-through-upregulation-of-ska2
#20
Xiao-Jun He, Er-Bao Bian, Chun-Chun Ma, Chao Wang, Hong-Liang Wang, Bing Zhao
The long non-coding RNA SPRY4-intronic transcript 1 (SPRY4-IT1) has been shown to promote the progression of cancer; however, the role of SPRY4-IT1 in glioma remains unclear. The present study demonstrated that SPRY4-IT1 expression was markedly increased in glioma tissues and cells compared with normal brain tissues, whereas knockdown of SPRY4-IT1 inhibited cell proliferation, migration, and invasion in U251 cells. Spindle and kinetochore associated complex subunit 2 (SKA2) was found to be a target of SPRY4-IT1 and was downregulated by SPRY4-IT1-knockdown...
March 2018: Oncology Letters
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