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https://www.readbyqxmd.com/read/29470148/voluntary-wheel-running-increases-satellite-cell-abundance-and-improves-recovery-from-disuse-in-gastrocnemius-muscles-from-mice
#1
Matthew J Brooks, Ameena Hajira, Junaith S Mohamed, Stephen E Alway
Reloading of atrophied muscles after hindlimb suspension unloading (HSU) can induce injury and prolong recovery. Low-impact exercise, such as voluntary wheel running, has been identified as a non-damaging rehabilitation therapy in rodents, but its effects on muscle function, morphology, and satellite cell activity after HSU are unclear. This study tested the hypothesis that low impact wheel running would increase satellite cell proliferation and improve recovery of muscle structure and function after HSU in mice...
February 22, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29467350/influence-of-nitrous-oxide-on-granule-cell-migration-in-the-dentate-gyrus-of-the-neonatal-rat
#2
Hitoshi Saito, Rui Kato, Toshikazu Hashimoto, Yosuke Uchida, Tetsutaro Hase, Kenkichi Tsuruga, Koichi Takita, Yuji Morimoto
For several decades, the neurotoxicities of anesthetics to the developing brain have been reported by many researchers focusing on various phenomena such as apoptosis, neurodegeneration, electrophysiological aberrations, and behavioral abnormalities. According to these reports, signals via N-methyl-D-aspartate receptors (NMDA-r) and/or γ-aminobutyric acid type A receptors (GABAA -r) are implicated in the anesthetic neurotoxicity. On the other hand, during brain development, NMDA-r and GABAA -r are also recognized to play primary roles in neural cell migration...
2018: Biomedical Research
https://www.readbyqxmd.com/read/29466981/a-novel-purified-lactobacillus-acidophilus-20079-exopolysaccharide-la-eps-20079-molecularly-regulates-both-apoptotic-and-nf-%C3%AE%C2%BAb-inflammatory-pathways-in-human-colon-cancer
#3
Nehal M El-Deeb, Abdelrahman M Yassin, Lamiaa A Al-Madboly, Amr El-Hawiet
BACKGROUND: The direct link between inflammatory bowel diseases and colorectal cancer is well documented. Previous studies have reported that some lactic acid bacterial strains could inhibit colon cancer progression however; the exact molecules involved have not yet been identified. So, in the current study, we illustrated the tumor suppressive effects of the newly identified Lactobacillus acidophilus DSMZ 20079 cell-free pentasaccharide against colon cancer cells. The chemical structure of the purified pentasaccharide was investigated by MALDI-TOF mass spectrum, 1D and 2D Nuclear Magnetic Resonance (NMR)...
February 21, 2018: Microbial Cell Factories
https://www.readbyqxmd.com/read/29458087/ngf-fak-signal-pathway-is-implicated-in-angiogenesis-after-acute-cerebral-ischemia-in-rats
#4
Hai-Ting Zhao, Yu-Hu Zhang, Ying-Hui Zhang, Yue Shen, Yi-Dan Zhang, Fang-Fang Bi, Bo Xiao, Hao Zhang, Wen Ye, Hong-Hai Zhang, Yi-Wei Liao
Neurogenesis in the cerebral infarction after an ischemic event is important to the rehabilitation of patients. However, the mechanism of angiogenesis around cerebral ischemia is not clear. Our study designed to test whether the nerve growth factor (NGF)-P-focal adhesion kinase (FAK) signaling pathway for associations with angiogenesis plays a key role in post-acute cerebral ischemia of rats. Firstly, we implanted the Matrigel, a carrier of basement membrane matrix, into the abdominal skin of rats to identify the relevant components of the NGF-P-FAK signaling pathway related to angiogenesis...
February 16, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29457293/ginsenoside-rh2-inhibits-prostate-cancer-cell-growth-through-suppression-of-microrna-4295-that-activates-cdkn1a
#5
Qiruo Gao, Junhua Zheng
OBJECTIVES: Ginsenoside Rh2 (GRh2) has demonstrative therapeutic effects on a variety of diseases, including some tumours. However, the effects of GRh2 on prostate cancer (PC) cell growth remain unknown, and were, thus, addressed in the present study. MATERIALS AND METHODS: PC3 and DU145 PC cell lines were exposed to GRh2. Cell proliferation was assessed in an MTT assay and by BrdU incorporation. Apoptosis of the cells were assessed by TUNEL staining. Total RNA was assessed by RT-qPCR...
February 19, 2018: Cell Proliferation
https://www.readbyqxmd.com/read/29456405/role-of-ptpn2-22-polymorphisms-in-pathophysiology-of-crohn-s-disease
#6
Robert C Sharp, Shazia A Beg, Saleh A Naser
AIM: To establish the relationship of protein tyrosine phosphatase non-receptor type 2 and 22 ( PTPN2/22 ) polymorphisms and mycobacterial infections in Crohn's disease (CD). METHODS: All 133 subjects' blood samples were genotyped for nine single nucleotide polymorphisms (SNPs) in PTPN2/22 using TaqMan™ genotyping, while the effect of the SNPs on PTPN2/22 and IFN- γ gene expression was determined using RT-PCR. Detection of Mycobacterium avium subspecies paratuberculosis (MAP) IS900 gene was done by nPCR after DNA extraction from the isolated leukocytes of each subjects' blood samples...
February 14, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29455251/establishing-and-characterizing-lacrispheres-from-human-lacrimal-gland-for-potential-clinical-application
#7
Shubha Tiwari, Rohini M Nair, Praseeda Vamadevan, Mohammad Javed Ali, Milind N Naik, Santosh G Honavar, Geeta K Vemuganti
PURPOSE: Lacrimal gland (LG) dysfunction leading to dry eye syndrome (DES) is an important cause of ocular morbidity. One of the potential and promising long-term management therapies for restoration of LG function could be transplantation of autologous ex vivo expanded stem cells. The present study was aimed at exploring the 2D and 3D cultures of human LG, identifying inherent stem cells and evaluating their secretory potential. METHODS: Fresh human lacrimal gland (HuLG) (n = 5) from patients undergoing therapeutic exenteration was harvested after ethical approval and informed consent...
February 17, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29454285/pou5f1b-promotes-hepatocellular-carcinoma-proliferation-by-activating-akt
#8
Yaozhen Pan, Lei Zhan, Ling Chen, Hong Zhang, Chengyi Sun, Chungen Xing
Hepatocellular carcinoma (HCC) is one of the most common tumors, so far, there still aren't good therapeutic methods. Looking for new targets makes a top priority. In this study, we found a OCT4 pseudogene, POU5F1B was significantly upregulated in HCC cells and tissues, patients with high POU5F1B had shorter survival time compared to patients with low POU5F1B expression. POU5F1B overexpression promoted HCC proliferation, while its knockdown inhibited HCC proliferation determined by MTT assay, soft agar growth assay, BrdU incorporation assay, and cell cycle assay...
February 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29453933/myt1l-induced-direct-reprogramming-of-pericytes-into-cholinergic-neurons
#9
Xing-Guang Liang, Chao Tan, Cheng-Kun Wang, Rong-Rong Tao, Yu-Jie Huang, Kui-Fen Ma, Kohji Fukunaga, Ming-Zhu Huang, Feng Han
OBJECTIVE: The cholinergic deficit is thought to underlie progressed cognitive decline in Alzheimer Disease. The lineage reprogramming of somatic cells into cholinergic neurons may provide strategies toward cell-based therapy of neurodegenerative diseases. METHODS AND RESULTS: Here, we found that a combination of neuronal transcription factors, including Ascl1, Myt1l, Brn2, Tlx3, and miR124 (5Fs) were capable of directly converting human brain vascular pericytes (HBVPs) into cholinergic neuronal cells...
February 17, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29451308/apheresis-buffy-coat-collection-without-photoactivation-has-no-effect-on-apoptosis-cell-proliferation-and-total-viability-of-mononuclear-cells-collected-using-photopheresis-systems
#10
Zbigniew M Szczepiorkowski, Christine A Burnett, Larry J Dumont, Sunil H Abhyankar
BACKGROUND: Extracorporeal photopheresis (ECP) has been approved for the treatment of advanced cutaneous T-cell lymphoma since 1988. While the precise mechanisms resulting in clinical effects are not fully understood, the photoactivation of mononuclear cells (MNCs) using ultraviolet A (UVA) light and methoxsalen is believed to be the predominant initiating process. The effects of MNC passage through the instrument without photoactivation are unknown. The objective of this study was to evaluate the effect of cell processing through the photopheresis instruments on MNCs...
February 16, 2018: Transfusion
https://www.readbyqxmd.com/read/29448247/knockdown-of-magea6-activates-amp-activated-protein-kinase-ampk-signaling-to-inhibit-human-renal-cell-carcinoma-cells
#11
Xueting Ye, Jing Xie, Hang Huang, Zhexian Deng
BACKGROUND/AIMS: Melanoma antigen A6 (MAGEA6) is a cancer-specific ubiquitin ligase of AMP-activated protein kinase (AMPK). The current study tested MAGEA6 expression and potential function in renal cell carcinoma (RCC). METHODS: MAGEA6 and AMPK expression in human RCC tissues and RCC cells were tested by Western blotting assay and qRT-PCR assay. shRNA method was applied to knockdown MAGEA6 in human RCC cells. Cell survival and proliferation were tested by MTT assay and BrdU ELISA assay, respectively...
2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29445897/brdu-edu-dual-labeling-to-determine-the-cell-cycle-dynamics-of-defined-cellular-subpopulations
#12
Lachlan Harris, Oressia Zalucki, Michael Piper
Measuring the mean duration of synthesis-phase (T s ) and of the total cell-cycle (T c ) within progenitor cell populations can provide important insights into the biology governing these cells. Rather than a passive process that shows little variability across cellular contexts, the cell-cycle is instead highly regulated. For example, in the rodent forebrain, T s is selectively lengthened in radial glial progenitor cells undergoing symmetric versus asymmetric division. This lengthening is thought to minimize the potential for copying errors that can occur during DNA replication...
February 14, 2018: Journal of Molecular Histology
https://www.readbyqxmd.com/read/29444988/nmda-type-glutamate-receptor-activation-promotes-vascular-remodeling-and-pulmonary-arterial-hypertension
#13
Sébastien J Dumas, Gilles Bru-Mercier, Audrey Courboulin, Marceau Quatredeniers, Catherine Rücker-Martin, Fabrice Antigny, Morad K Nakhleh, Benoit Ranchoux, Elodie Gouadon, Maria-Candida Vinhas, Matthieu Vocelle, Nicolas Raymond, Peter Dorfmüller, Elie Fadel, Frédéric Perros, Marc Humbert, Sylvia Cohen-Kaminsky
Background -Excessive proliferation and apoptosis resistance in pulmonary vascular cells underlie vascular remodeling in pulmonary arterial hypertension (PAH). Specific treatments for PAH exist, mostly targeting endothelial dysfunction, but high pulmonary arterial pressure still causes heart failure and death. Pulmonary vascular remodeling may be driven by metabolic reprogramming of vascular cells to increase glutaminolysis and glutamate production. The N-methyl-D-aspartate receptor (NMDAR), a major neuronal glutamate receptor, is also expressed on vascular cells, but its role in PAH is unknown...
February 14, 2018: Circulation
https://www.readbyqxmd.com/read/29444261/selective-androgen-receptor-modulator-s42-suppresses-prostate-cancer-cell-proliferation
#14
Takako Kawanami, Tomoko Tanaka, Yuriko Hamaguchi, Takashi Nomiyama, Hajime Nawata, Tosihiko Yanase
We previously identified a novel selective androgen receptor modulator (SARM), S42, which does not stimulate prostate growth but has a beneficial effect on lipid metabolism. In the prostate cancer (PC) cell line LNCaP, S42 did not induce androgen receptor (AR) transactivation but antagonized 5α-dihydrotestosterone (DHT)-induced AR activation. Next, we investigated whether S42 suppresses the growth of PC cell lines. Basal growth of LNCaP cells was significantly suppressed by treatment with S42 compared with vehicle, as determined by cell counting and BrdU assays...
February 12, 2018: Endocrinology
https://www.readbyqxmd.com/read/29442023/mir-122-5p-inhibits-tumor-cell-proliferation-and-induces-apoptosis-by-targeting-myc-in-gastric-cancer-cells
#15
Z J Pei, Z G Zhang, A X Hu, F Yang, Y Gai
MicroRNAs (miRNAs) play crucial roles in the development and progression of human cancers, including Gastric cancer (GC). In this study, we investigated the correlation of miR-122-5p expression with cell proliferation, and apoptosis in a GC cell line. GC cells SCG 7901 were transfected with control, miR-122-5p or miR-122-5p inhibitor and MTT assay, western blot, and BrdU staining were respectively used to investigate the effect of miR-122-5p on GC cell cycle. The overexpression of miR-122-5p could reduce cell proliferation in SCG7901 cells, and BrdU staining finally verified miR-122-5p induced cell growth arrest by upregulation p27 expression in SCG7901cells...
June 1, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29441873/microrna-190b-inhibits-tumor-cell-proliferation-and-induces-apoptosis-by-regulating-bcl-2-in-u2os-osteosarcoma-cells
#16
Mingyang Kang, Peng Xia, Tingting Hou, Zhiping Qi, Shaojun Liao, Xiaoyu Yang
Osteosarcoma (OS) is one of the most prevalent malignancies in bone with no established therapy so far. This study was aimed to clarify the role of miR-190b in tumor cell growth of OS. The miR-190b mimic, inhibitor and miR-control were transfected into human OS U2OS cells. Then U2OS cell proliferation was tested by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and bromodeoxyuridine (BrdU) incorporation assay. The apoptotic U2OS cells were detected by flow cytometry. Additionally, cell-cycle regulators p27, p21 and apoptosis factors B-cell lymphoma-2 (Bcl-2), Bcl-2 associated X (Bax), caspase-3 were examined by western blotting...
May 1, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29438359/effects-of-17%C3%AE-estradiol-on-mitophagy-in-the-murine-mc3t3-e1-osteoblast-cell-line-is-mediated-via-g-protein-coupled-estrogen-receptor-and-the-erk1-2-signaling-pathway
#17
Xiaoqi Sun, Xuhao Yang, Yuyan Zhao, Yinan Li, Lei Guo
BACKGROUND Osteoporosis is associated with 17β-estradiol deficiency. The G protein-coupled receptor 30 (GPR30) is known to be an estrogen-responsive receptor, but its role in the degradation of mitochondria in osteoblasts by autophagy, or mitophagy, remains unclear. The aim of this in vitro study was to evaluate the effects of 17β-estradiol, GPR30, and its signaling pathway, on mitophagy in the murine MC3T3-E1 osteoblast cell line. MATERIAL AND METHODS In the murine MC3T3-E1 osteoblast cell line, cells were treated with 17β-estradiol, or G15, a selective GPR30 antagonist, or U0126, a mitogen-activated protein (MAP) kinase (ERK1/2) inhibitor, or with vehicle as control...
February 13, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29436642/synergistic-anticancer-effects-of-ruxolitinib-and-calcitriol-in-estrogen-receptor%C3%A2-positive-human-epidermal-growth-factor-receptor-2%C3%A2-positive-breast-cancer-cells
#18
Seung Taek Lim, Ye Won Jeon, Hongki Gwak, Se Young Kim, Young Jin Suh
The Janus kinase (JAK)1 and JAK2 inhibitor, ruxolitinib, and the active form of vitamin D (calcitriol) were previously reported to possess anticancer effects in breast cancer. The present study investigated the combined effects of ruxolitinib and calcitriol on an estrogen receptor (ER)‑positive, human epidermal growth factor receptor 2 (HER2)‑positive, breast cancer cell line. The ER and HER2‑positive MCF7‑HER18 breast cancer cell line was used to investigate the combination effect of ruxolitinib and calcitriol...
February 8, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29435409/mir-204-5p-suppresses-hepatocellular-cancer-proliferation-by-regulating-homeoprotein-six1-expression
#19
Yi Chu, Mingzuo Jiang, Feng Du, Di Chen, Tao Ye, Bing Xu, Xiaowei Li, Weijie Wang, Zhaoyan Qiu, Haiming Liu, Yongzhan Nie, Jie Liang, Daiming Fan
Fewer than 30% of patients with hepatocellular carcinoma (HCC) are eligible to receive curative therapies, and so a better understanding of the molecular mechanisms of HCC is needed to identify potential therapeutic targets. The role of microRNA (miRNA) in modulating tumour progression has been demonstrated, and therapies targeting miRNA appear promising. miR-204-5p has been shown to function in numerous types of cancer, but its role in HCC remains unclear. In this study, we found that miR-204-5p expression was downregulated in cancerous HCC tissues compared to nontumour tissues...
February 2018: FEBS Open Bio
https://www.readbyqxmd.com/read/29434994/microrna-122-3p-inhibits-tumor-cell-proliferation-and-induces-apoptosis-by-targeting-forkhead-box-o-in-a549-cells
#20
Wen Wang, Jinsong Yang, Fenglei Yu, Wenjie Li, Li Wang, Haoyu Zou, Xia Long
The imbalance between cell proliferation and apoptosis was implicated to serve key roles in cancer pathogenesis. The characteristics of microRNAs (miRNAs/miRs) have attracted much attention in research focusing on cancer pathogenesis in recent years. miR-122-3p has been reported to be associated with a number of disease processes and pathogenesis, including lung cancer. The present study aimed to investigate the association of miR-122-3p expression level with cell proliferation and apoptosis in a lung cancer cell line...
February 2018: Oncology Letters
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