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Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire

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https://www.readbyqxmd.com/read/29166568/camel-whey-protein-protects-lymphocytes-from-apoptosis-via-the-pi3k-akt-nf-%C3%AE%C2%BAb-atf-3-and-hsp-70-signaling-pathways-in-heat-stressed-male-mice
#1
Gamal Badr, Nancy K Ramadan, Hanem S Abdel-Tawab, Samia F Ahmed, Mohamed H Mahmoud
Heat stress (HS) is an environmental factor that depresses the immune systems mediating dysfunctional immune cells. Camel whey protein (CWP) can scavenge free radicals and enhance immunity. The present study investigated the impact of dietary supplementation with CWP on immune dysfunction induced by exposure to HS. Male mice (n = 45) were divided into three groups: control group; HS group; and HS mice that were orally administered CWP (HS+CWP group). The HS group exhibited elevated levels of reactive oxygen species (ROS) and pro-inflammatory cytokines (IL-1β, IL-6, TNF-α) as well as a significant reduction in the IL-2 and IL-4 levels...
November 22, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29156143/identification-of-nuclear-localization-signals-in-the-human-homeoprotein-msx1
#2
Akio Shibata, Junichiro Machida, Seishi Yamaguchi, Masashi Kimura, Tadashi Tatematsu, Hitoshi Miyachi, Atsuo Nakayama, Kazuo Shimozato, Yoshihito Tokita
MSX1 is one of the homeoproteins with the homeodomain (HD) sequence, which regulates proliferation and differentiation of mesenchymal cells. In this study, we investigated the nuclear localization signal (NLS) in the MSX1 HD by deletion and amino acid substitution analyses. The web-based tool NLStradamus predicted two putative basic motifs in the N- and C-termini of the MSX1 HD. Green fluorescent protein (GFP) chimera studies revealed that NLS1 (<sub>161</sub>RKHKTNRKPR<sub>170</sub>) and NLS2 (<sub>216</sub>NRRAKAKR<sub>223</sub>) were independently insufficient for robust nuclear localization...
November 20, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29141157/the-devastating-effect-of-exposure-to-high-irradiation-dose-on-liver-and-the-performance-of-synthesized-nano-hap-in-relieve-the-associated-symptoms-in-rats
#3
Eman Ismail Gheriany, Sameh A Awwad
Ionizing radiation is one of the environmental factors that may contribute to liver dysfunction by a mechanism involving oxidative stress. The present investigation was undertaken to study the possible therapeutic effect of nano-HAp on whole body gamma irradiation induced hepatotoxicity in rats. The study consisted of three groups of 10 rats each. Group 1 (control), whereas group 2 received a single dose of γ-radiation (10Gy). The animals in groups 3 was treated with nano-HAp (100 mg/kg b.w.) once / week for three weeks starting in the next day of γ radiation...
November 15, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29112458/review-detrimental-effects-of-alcohol-exposure-around-conception-putative-mechanisms
#4
Jacinta I Kalisch-Smith, Karen M Moritz
In western countries, alcohol consumption is widespread in women of reproductive age, and in binge quantities. These countries also continue to have high incidences of unplanned pregnancies, with women often reported to cease drinking after discovering their pregnancy. This suggests the early embryo may be highly exposed to the detrimental effects of alcohol during this periconceptional period. The periconception and pre-implantation windows which includes maturation of the oocyte, fertilisation and morphogenesis of the pre-implantation embryo, are particularly sensitive times of development...
November 7, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29091741/skeletal-muscle-and-fetal-alcohol-spectrum-disorder
#5
Semone B Myrie, Mark A Pinder
Skeletal muscle is critical for mobility and many metabolic functions integral to survival and long-term health. Alcohol can affect skeletal muscle physiology and metabolism, which will have immediate and long-term consequences on health. While skeletal muscle abnormalities, including morphological, biochemical and functional impairments are well documented in adults consuming excessive alcohol, there is a scarcity of information about skeletal muscle in the prenatal alcohol exposure (PAE) offspring. This review examines the available studies addressing skeletal muscle abnormalities due to PAE...
November 1, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29091739/postnatal-nutritional-treatment-of-neurocognitive-deficits-in-foetal-alcohol-spectrum-disorder-fasd
#6
Adriana Bastons-Compta, Marta Astals, Vicente Andreu, Elisabet Navarro, Oscar Garcia-Algar
Ethanol is the most important teratogen agent in humans. Prenatal alcohol exposure can lead to a wide range of adverse effects, which are broadly termed as Foetal Alcohol Spectrum Disorder (FASD). Socioeconomic status, ethnicity, differences in genetic susceptibility related to ethanol metabolism, alcohol consumption patterns, obstetric problems, maternal nutrition, stress, and other co-administered drugs are all factors that may influence FASD manifestations. Recently, much attention has been paid to the role of nutrition as a protective factor against alcohol teratogenicity...
November 1, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29088550/preimplantation-alcohol-exposure-and-developmental-programming-of-fasd-an-epigenetic-perspective
#7
Lisa-Marie Legault, Virginie Bertrand-Lehouillier, Serge McGraw
Alcohol exposure during in utero development can permanently change the developmental programming of physiological responses, thereby increasing the risk of childhood neurological illnesses and later adverse health outcomes associated with fetal alcohol spectrum disorders (FASD). There is an increasing body of evidence indicating that alcohol exposure during gestation triggers lasting epigenetic alterations in offspring long after the initial insult; together, these studies support the role of epigenetics in FASD etiology...
October 31, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29069552/-i-xenopus-i-embryos-to-study-fetal-alcohol-syndrome-a-model-for-environmental-teratogenesis
#8
Abraham Fainsod, Hadas Kot-Leibovich
Vertebrate model systems are central to characterize the outcomes of ethanol exposure and the etiology of Fetal Alcohol Spectrum Disorder (FASD), taking advantage of their genetic and morphological closeness and similarity to humans. We discuss the contribution of amphibian embryos to FASD research, focusing on <i>Xenopus</i> embryos. The <i>Xenopus</i> experimental system is characterized by external development and accessibility throughout embryogenesis, large clutch sizes, gene and protein activity manipulation, transgenesis and genome editing, convenient chemical treatment, explants and conjugates and many other experimental approaches...
October 25, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29040816/lamin-a-c-mutation-associated-with-lipodystrophy-influences-adipogenic-differentiation-of-stem-cells-through-interaction-with-notch-signaling
#9
Ksenia Perepelina, Renata I Dmitrieva, Elena Ignatieva, Aleksandra Borodkina, Anna Kostareva, Anna Malashicheva
Lamin A/C is involved in many cellular functions due to its ability to bind chromatin and transcription factors and affect their properties. Mutations of LMNA gene encoding lamin A/C affect differentiation capacity of stem cells. However, signaling pathways involved in interaction with lamins in cellular differentiation remain unclear. Lipodystrophy associated with LMNA mutation R482L causes loss of fat tissue. In this study we investigated the role of LMNA mutation R482L in modulating Notch signaling activity in adipogenic differentiation of mesenchymal stem cells...
October 17, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29040815/the-role-of-folic-acid-and-selenium-against-oxidative-ethanol-damage-in-early-life-programming-a-review
#10
Mª Luisa Ojeda Murillo, Fatima Nogales Bueno, Mª Luisa Murillo Taravillo, Olimpia Carreras Sánchez
Several disorders in children, called Fetal Alcohol Spectrum Disorders (FASD), occur as result of alcohol consumption during pregnancy and lactation. They appear, at least in part, to be related to the oxidative stress that this drug generates. Ethanol metabolism generates reactive oxygen species and causes a depletion of the antioxidant molecule glutathione (GSH) leading to oxidative stress and lipid and protein damage which are related to growth retardation and neurotoxicity, increasing the incidence of FASD...
October 17, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29040814/inhibiting-polo-like-kinase-1-plk1-enhances-radiosensitization-via-modulating-dna-repair-proteins-in-non-small-cell-lung-cancer
#11
Da Yao, Peigui Gu, Youyu Wang, Weibin Luo, Huiliang Chi, Jianjun Ge, Youhui Qian
To assure the faithful chromosome segregation, cells make use of the spindle assembly checkpoint (SAC), which can be activated in aneuploidy cancer cells. In this study, the efficacies of inhibiting Polo-like kinase 1 (PLK1) on the radiosensitization of non-small cell lung cancer (NSCLC) cells were studied. Clonogenic survival assay was performed to identify the effects of the PLK1 inhibitor on radiosensitivity within NSCLC cells. Mitotic catastrophe assessment was used to measure the cell death and γH2AX foci were utilized to assess the DNA double-strand breaks (DSB)...
October 17, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29040813/developmental-neurotoxic-effects-of-a-low-dose-of-tce-on-3d-neurosphere-system
#12
Mohamed Elsaid Abdraboh, Sherif H Abdeen, Mohamed Salama, Mahmoud Elhussiny, Yasser M El-Sherbini, Nada M Eldeen
Trichloroethylene (TCE) is one of the industrial toxic products that ever-present in air, soil and water. Several studies illustrated the toxicity of high doses of TCE on several organs. This study aims to determine the toxic effect of a low dose of TCE on development of rat neural stem cells (NSCs). Rat pups brains were collected, minced and harvested cells were cultured in the presence of neural growth factors B27/N8 to develop neurospheres. Afterwards, cells were subjected to a dose of 1µM TCE for 1 and 2 weeks...
October 17, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29035693/mms19-localizes-to-mitochondria-and-protects-the-mitochondrial-genome-from-oxidative-damage
#13
Rui Wu, Qunsong Tan, Kaifeng Niu, Yuqi Zhu, Di Wei, Yongliang Zhao, Hongbo Fang
MMS19 localizes to cytoplasmic and nuclear compartments involving in transcription and nucleotide excision repair (NER). However, whether or not MMS19 localizes to mitochondria where it plays a role in maintaining mitochondrial genome stability remains elusive. In this study, we provide the first evidence that MMS19 is localized in the inner membrane of mitochondria and participates in mtDNA oxidative damage repair. MMS19 knockdown led to mitochondrial dysfunctions including decreased mtDNA copy number, diminished mtDNA repair capacity and elevated level of mtDNA common deletion after oxidative stress...
October 16, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29035685/mechanistic-effect-of-human-umbilical-cord-blood-derived-mesenchymal-stem-cells-on-the-submandibular-salivary-gland-in-ovariectomized-rats
#14
Zienab Gouda, Mohamed Khalifa, Sally Shalaby, Samia Hussein
To reveal the effect of human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs) on the submandibular gland after bilateral ovariectomy, 21 adult Sprague-Dawley female rats were divided equally into three groups: sham-operated group (SHAM), ovariectomized group (OVX) and OVX received repeated intravenous injection of hUCB-MSCs group (OVX + hUCB-MSCs). RT-PCR for AQP3, AQP4, AQP5 and BMP6 gene expression was determined. The cellular localization and expression of anti-human CD105 anti-human CD34, anti-proliferating nuclear antigen (PCNA), anti-single stranded DNA(ssDNA), anti-Caspase 3, anti-aquaporin 1(AQP1) and anti-α smooth muscle actin(α-SMA) were determined immunohistochemically...
October 16, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29035684/sox10-induces-epithelial-mesenchymal-transition-and-contributes-to-nasopharyngeal-carcinoma-progression
#15
Ping He, Xiaojie Jin
OBJECTIVE: The aim of this study was to investigate the role of SOX10 in NPC and the underlying molecular mechanisms. METHODS: Expression of SOX10 was initially assessed in human NPC tissues and a series of NPC cell lines through quantitative real-time PCR (qRT-PCR) and western blot. Then, cell proliferation, cycle, migration and invasion of NPC cells with knockdown of SOX10 were examined by MTT, flow cytometry, transwell migration and invasion assay, respectively...
October 16, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29024606/role-of-the-tslp-dc-ox40l-pathway-in-asthma-pathogenesis-and-airway-inflammation-in-mice
#16
Shuang Feng, Li Zhang, Xu-Hua Bian, Ying Luo, Guang-Hui Qin, Rui-Ming Shi
This study aims to explore the effect of the TSLP/DC/OX40L pathway in asthma pathogenesis and airway inflammation in mice. Sixty-five male BALF/c mice were divided into the control, asthma, IgG + asthma (IgG, 500 g/500 l, intratracheal injection of 50 l each time), LY294002 (OX40L inhibitor) + asthma (intratracheal injection of 2 mg/kg LY294002), and anti-TSLP + asthma (intratracheal injection of 500 ug/500 l TSLP antibody, 50 l each time) groups. ELISA was applied to measure the serum levels of IgE, ovalbumin (OVA)-sIgE, interleukin-4 (IL-4), IL-5, IL-13 and interferon-γ (IFN-γ), flow cytometry was employed to detect Treg cells and dendritic cell (DC) and lymphopoiesis...
October 12, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29024604/the-avian-embryo-as-a-model-for-fetal-alcohol-spectrum-disorders
#17
Susan M Smith, George R Flentke
Prenatal alcohol exposure (PAE) remains a leading preventable cause of structural birth defects and permanent neurodevelopmental disability. The chick (Gallus gallus domesticus) is a powerful embryological research model and was possibly the first (Fere, 1895) in which alcohol's teratogenicity was demonstrated. Pharmacologically relevant alcohol exposures in the range of 20-70 mM (20-80 mg/egg) disrupt chick embryo growth, morphogenesis, and behavior, and the resulting phenotypes strongly parallel those of mammalian models...
October 12, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29024602/knockdown-of-cemip-suppresses-proliferation-and-induces-apoptosis-in-colorectal-cancer-cells-downregulation-of-grp78-and-attenuation-of-unfolded-protein-response
#18
Guodong Liang, Xuedong Fang, Yubo Yang, Yan Song
Cell migration inducing hyaluronan binding protein (CEMIP) has been suggested as a contributor in the carcinogenesis of colorectal cancer (CRC). Cancer cells can adapt to endoplasmic reticulum (ER) stress by initiating unfolded protein response (UPR). This study aimed at investigating whether CEMIP affected the UPR of CRC cells, with a focus on 78 kDa glucose-regulated protein (GRP78, a major ER chaperone). We found that knockdown of CEMIP inhibited cell proliferation and induced a G1 arrest in SW480 CRC cells...
October 12, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29024600/liver-x-receptor-%C3%AE-is-targeted-by-microrna-1-to-inhibit-cardiomyocyte-apoptosis-through-ros-mediated-mitochondrial-pathway
#19
Yongxia Cheng, Dawei Zhang, Min Zhu, Ying Wang, Sufen Guo, Biao Xu, Guangyu Hou, Yukuan Feng, Guibo Liu
Diabetic cardiomyopathy (DCM) is defined as ventricular dysfunction occurring independently of a recognized cause such as hypertension or coronary artery disease. Liver X receptor α (LXRα), a subtype of ligand-activated transcription factors LXRs, has been considered as a potential pharmacological target in the pathogenesis of cardiovascular and metabolic diseases. However, the potential mechanism of how LXRα is regulated in cardiomyocytes is still unclear. This study investigated the effect of activating LXRα with GW3965 on cardiomyocyte apoptosis and its upstream regulator in glucose-induced H9C2 cells...
October 12, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/29017023/maternal-iron-nutriture-as-a-critical-modulator-of-fasd-risk-in-alcohol-exposed-pregnancies
#20
Kaylee K Helfrich, Nipun Saini, Pamela J Kling, Susan M Smith
Alcohol consumption during pregnancy places the fetus at risk for permanent physical, cognitive, and behavioral impairments, collectively termed fetal alcohol spectrum disorders (FASD). However, prenatal alcohol exposure (PAE) outcomes vary widely, and growing evidence suggests that maternal nutrition is a modifying factor. Certain nutrients, such as iron, may modulate FASD outcomes. Untreated gestational iron deficiency (ID) causes persistent neurodevelopmental deficits in the offspring that affect many of the same domains damaged by PAE...
October 10, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
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