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Molecular Biology Reports

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https://www.readbyqxmd.com/read/30547390/multiplex-pcr-for-the-rapid-detection-of-insulin-like-growth-factor-in-the-pacific-oyster-crassostrea-gigas-a-useful-indicator-for-growth-assessment
#1
Ji-Sung Moon, Youn Hee Choi
Insulin-like growth factor (IGF) expression plays a critical role in the endocrine regulation of proliferation, differentiation, and growth in shellfish as well as in fish. The Pacific oyster, Crassostrea gigas, is a significant aquaculture species that comprises a large percentage of the Korean shellfish industry; moreover, its growth is economically important in aquaculture. However, when measuring the growth rate in shellfish, the soft tissue weight is difficult to determine because of the shell weight. In the present study, we describe an indirect method of measuring the growth rate using multiplex polymerase chain reaction (PCR) and analyzing levels of molluscan insulin-related peptide (MIP), the acid labile subunit of the IGF-binding protein complex (IGFBP ALS), and insulin-related peptide receptor (CIR) in Pacific oysters...
December 13, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30547389/genetic-diversity-between-two-egyptian-clover-varieties-and-qtl-analysis-for-some-agro-morphological-traits
#2
Bahaa E S Abdel-Fatah, Bahy Raghib Bakheit
Genetic diversity between two ecotypes of Egyptian clover varieties, namely Fahl (mono-cut) and Helaly (multi-cut) have been assessed based on forage yield and yield components as well as molecular marker systems. The two parental genotypes were crossed to produce seeds of F1 and F2 progenies. Analyses of variance indicated significant differences between four populations (P1 (Fahl), P2 (Helaly), F1 and F2 ) for fresh forage yield, number of florets/inflorescence, number of seeds/inflorescence and 1000 seed weight...
December 13, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30539382/slim-microscopy-allows-for-visualization-of-dna-containing-liposomes-designed-for-sperm-mediated-gene-transfer-in-cattle
#3
Marcello Rubessa, Samantha N Lotti, Mikhail E Kandel, Gabriel Popescu, Mathew B Wheeler
Naked DNA has been shown to bind naturally to the sperm, a method called sperm-mediated gene transfer (SMGT). Based on these observations, we examined the efficiency of exogenous DNA binding to sperm using liposomes. In this experiment, we analyzed methods to select frozen-thawed bovine sperm, and evaluated the binding of exogenous DNA to those sperm. To determine the optimal selection method, we used Computer-Assisted Sperm Analysis (CASA). Percoll or Swim-Up were used to select sperm, followed by incubation up to 3 h with the liposome-DNA complexes...
December 11, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30539381/microsatellite-marker-set-for-genetic-diversity-assessment-of-primitive-chitala-chitala-hamilton-1822-derived-through-smrt-sequencing-technology
#4
Nimisha Dutta, Rajeev K Singh, Vindhya Mohindra, Abhinav Pathak, Raj Kumar, Priyanka Sah, Sangeeta Mandal, Gurjeet Kaur, Kuldeep K Lal
In present study, single molecule-real time sequencing technology was used to obtain a validated set of microsatellite markers for application in population genetics of the primitive fish, Chitala chitala. Assembly of circular consensus sequencing reads resulted into 1164 sequences which contained 2005 repetitive motifs. A total of 100 sequences were used for primer designing and amplification yielded a set of 28 validated polymorphic markers. These loci were used to genotype n = 72 samples from three distant riverine populations of India, namely Son, Satluj and Brahmaputra, for determining intraspecific genetic variation...
December 11, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30536157/chemokine-gene-polymorphisms-association-with-increased-risk-of-type-2-diabetes-mellitus-in-tatar-ethnic-group-russia
#5
Olga V Kochetova, Diana S Avzaletdinova, Tatyana V Morugova, Olga E Mustafina
Recent studies have shown that chemokines play an important role in the development of chronic inflammation in adipose tissue, obesity pathogenesis, glucose intolerance and type 2 diabetes. It has also been revealed that some SNPs in chemokine genes are associated with obesity, insulin resistance, type 2 diabetes and diabetes complications in different ethnic groups. The aim of this study was to determine the associations between SNPs in chemokine genes and type 2 diabetes in participants of Tatar ethnic group, living in Bashkortostan...
December 10, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30535551/the-prognostic-and-therapeutic-role-of-hormones-in-colorectal-cancer-a-review
#6
REVIEW
Stella Nikolaou, Shengyang Qiu, Francesca Fiorentino, Shahnawaz Rasheed, Paris Tekkis, Christos Kontovounisios
Colorectal cancer (CRC) is one of the commonest cancers in Western society with a poor prognosis in patients with advanced disease. Targeted therapy is of increasing interest and already, targeted hormone treatment for breast and prostate cancer has improved survival. The aim of this literature review is to summarise the role of hormones in CRC prognosis and treatment. A literature review of all human and animal in vivo and in vitro studies in the last 20 years, which assessed the role of hormones in CRC treatment or prognosis, was carried out...
December 10, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30535550/genomic-alterations-associated-with-her2-breast-cancer-risk-and-clinical-outcome-in-response-to-trastuzumab
#7
Heena Singla, Raman Preet Kaur, Gowhar Shafi, Rajesh Vashistha, Raja Paramjeet Singh Banipal, Vinod Kumar, Anjana Munshi
Human epidermal growth factor receptor 2 positive (HER2+) breast cancer (BC) is an aggressive BC subtype characterized by HER2 overexpression/amplification. Genomic alterations of HER2 and others have been reported to be associated with, HER2 overexpression and prediction of trastuzumab-response. Here, we aimed at identifying germline and somatic alterations associated with HER2+ BC and evaluating their association with clinical outcome in response to trastuzumab therapy given to HER2+ BC patients. Global Sequencing Array (GSA) and polymerase chain reaction-restriction length polymorphism (PCR-RFLP) techniques were used to determine alterations in HER2 and other HER2-interacting as well as signaling-related genes in HER2+ BC...
December 10, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30535784/cytosolic-lipid-excess-induced-mitochondrial-dysfunction-is-the-cause-or-effect-of-high-fat-diet-induced-skeletal-muscle-insulin-resistance-a-molecular-insight
#8
Baishali Alok Jana, Pavan Kumar Chintamaneni, Praveen Thaggikuppe Krishnamurthy, Ashish Wadhwani, Suresh Kumar Mohankumar
Mitochondria play a central role in the energy homeostasis in eukaryotic cells by generating ATP via oxidative metabolism of nutrients. Excess lipid accumulation and impairments in mitochondrial function have been considered as putative mechanisms for the pathogenesis of skeletal muscle insulin resistance. Accumulation of lipids in tissues occurs due to either excessive fatty acid uptake, decreased fatty acid utilization or both. Consequently, elevated levels cytosolic lipid metabolites, triglycerides, diacylglycerol and ceramides have been demonstrated to adversely affect glucose homeostasis...
December 8, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30535769/serine-arginine-protein-kinase-1-srpk1-a-moonlighting-protein-with-theranostic-ability-in-cancer-prevention
#9
REVIEW
Mitesh Patel, Manojkumar Sachidanandan, Mohd Adnan
Serine/arginine protein kinase 1 (SRPK1); a versatile functional moonlighting protein involved in varied cellular activities comprised of cell cycle progression, innate immune response, chromatin reorganization, negative and positive regulation of viral genome replication, protein amino acid phosphorylation, regulation of numerous mRNA-processing pathways, germ cell development as well as inflammation due to acquaintances with many transcription factors and signaling pathways. Several diseases including cancer have been associated with dysregulation of SRPK1...
December 8, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30535895/aspergillus-oryzae-s2-amya-amylase-expression-in-pichia-pastoris-production-purification-and-novel-properties
#10
Sahar Trabelsi, Mouna Sahnoun, Fatma Elgharbi, Rihab Ameri, Sameh Ben Mabrouk, Monia Mezghani, Aïda Hmida-Sayari, Samir Bejar
A synthetic cDNA-AmyA gene was cloned and successfully expressed in Pichia pastoris as a His-tagged enzyme under the methanol inducible AOX1 promoter. High level of extracellular amylase production of 72 U/mL was obtained after a 72 h induction by methanol. As expected, the recombinant strain produced only the AmyA isoform since the host is a protease deficient strain. Besides, the purified r-AmyA showed a molecular mass of 54 kDa, the same pH optimum equal to 5.6 but a higher thermoactivity of 60 °C against 50 °C for the native enzyme...
December 7, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30535894/genome-wide-identification-and-expression-analysis-of-the-e2-gene-family-in-potato
#11
Weigang Liu, Xun Tang, Xi Zhu, Xuehong Qi, Ning Zhang, Huaijun Si
E2 (ubiquitin conjugating enzymes) is an important part of the ubiquitin-proteasome pathway. These enzymes have a significant role to play during plant growth and development, which can response to various stresses. To date, the E2 family has been reported in some high plants, but the genome-wide characterization of this gene family in potato remains unknown. In the present study, 57 putative StUBCs were identified, which were clustered into eight subgroups based on phylogeny. The introns varied in numbers 0 to 9...
December 7, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30523518/effects-of-minocycline-and-rapamycin-in-gamma-irradiated-human-embryonic-stem-cells-derived-cerebral-organoids
#12
Antos Shakhbazau, Natalya Danilkovich, Ihar Seviaryn, Tatyana Ermilova, Svetlana Kosmacheva
Radiation induces DNA and protein damage and free radical formation, effectively establishing cellular senescence in a variety of models. We demonstrate the effects of two known pleiotropic drugs following gamma radiation damage in neurosphere/cerebral organoid system based on human embryonic stem cells. mTORC1 repression by rapamycin prior to irradiation, or metabolic activation by minocycline after irradiation, partially rescues neuroepithelium integrity, neurite-growing capacity, ventricle formation and extracellular acidification rate as an integral measure of metabolic output...
December 6, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30523517/bioaccumulation-oxidative-stress-immune-responses-and-immune-related-genes-expression-in-northern-snakehead-fish-channa-argus-exposure-to-waterborne-selenium
#13
Muyang Li, Xinming Zhu, Jiaxin Tian, Ming Liu, Guiqin Wang
The objective of this study was to evaluate the toxic effects on bioaccumulation, oxidative stress, immune responses and immune-related genes expression of Channa argus exposed for 28 days with waterborne selenium (0, 50, 100, 200, and 400 µg/L). After 28 days, the order of Se accumulation in tissues was kidney > liver > spleen > intestine > gill > muscle. Antioxidant parameters in liver and spleen of C. argus evidenced an oxidative stress condition in waterborne selenium...
December 6, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30519813/the-comparative-analysis-of-phenotypic-and-whole-transcriptome-gene-expression-data-of-ascites-susceptible-versus-ascites-resistant-chickens
#14
Karim Hasanpur, Mohammadreza Nassiri, Ghasem Hosseini Salekdeh
Ascites syndrome (AS) is a metabolic disorder that mainly occurs at later ages of meat-type chickens. Despite many research, there is no consensus about the origin of this syndrome. Our main purpose were to investigate the syndrome using both phenotypic and RNA-Seq data to elucidate the most causative factors predisposing the birds to AS. Phenotypic data analysis showed that AS indicator traits (AITs) were moderate to high heritable. Inexistence of consistent direct genetic correlation between AITs and growth related traits, indicated that neither faster growth rate nor heavier body weight is the most causative factor affecting the susceptibility of broilers to AS...
December 5, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30519812/evaluation-of-an-extract-of-the-punica-granatum-flower-as-a-biological-stain-of-rat-tissues-a-preliminary-study
#15
Nilgün Güler Kuşçulu, Halime Güzin Aslan
Natural dyes and especially hematoxylin, which is herbal, are widely used in staining tissues. The aim of this study is to evaluate the staining status of different tissues taken from rats with pomegranate flower extract. For this reason, 2 Wistar albino rats, one male and one female, were used as stain biomaterial. A histological follow up procedure was applied to the lung, kidney, liver, and heart tissue samples taken from the rats and the unstained preparates of these tissues were prepared. As the source of the dye, the dry flowers of Punica granatum (PG) obtained from local markets of Kayseri were used...
December 5, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30519811/insulin-action-on-protein-synthesis-and-its-association-with-eif5a-expression-and-hypusination
#16
André Ricardo Gomes de Proença, Karina Danielle Pereira, Leticia Meneguello, Leticia Tamborlin, Augusto Ducati Luchessi
The hormone insulin plays a central role in the metabolism of carbohydrates, lipids, and proteins. In relation to protein metabolism, insulin stimulates amino acid uptake and activates protein synthesis in responsive cells by modulation of signal transduction pathways, such as associated to Akt/PkB, mTOR, S6Ks, 4E-BP1, and several translation initiation/elongation factors. In this context, there is no information on direct cellular treatment with insulin and effects on eukaryotic translation initiation factor 5A (eIF5A) regulation...
December 5, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30515698/significant-association-of-tox3-loc643714-locus-rs3803662-and-breast-cancer-risk-in-a-cohort-of-iranian-population
#17
Amir Tajbakhsh, Fahimeh Afzal Javan, Mahdi Rivandi, Atefeh Moezzi, Soheila Abedini, Mahla Asghari, Zahra Farjami, Hosein Soltanian, Fatemeh Homaei Shandiz, Mohammad Mahdi Kooshyar, Alireza Pasdar
Genome-wide association studies normally focus on low penetrance and moderate to high-frequency single nucleotide polymorphisms (SNPs), which lead to genetic susceptibility to breast cancer. In this regard, the T allele of rs3803662 has been associated with breast cancer risk and with lower expression level of TOX3. We aimed to assess the risk of breast cancer associated with this polymorphism in an Iranian population. Using Tetra Primer ARMS PCR, rs3803662 was analyzed in a total of 943 individuals (430 cases and 513 healthy controls form North East of Iran)...
December 4, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30515697/effects-of-jun-and-nfe2l2-knockdown-on-oxidative-status-and-nfe2l2-ap-1-targets-expression-in-hela-cells-in-basal-conditions-and-upon-sub-lethal-hydrogen-peroxide-treatment
#18
Anna A Belanova, Victor K Chmykhalo, Maxim S Makarenko, Olga V Lyangasova, Maria M Belousova, Anzhela A Aleksandrova, Peter V Zolotukhin
Although NFE2L2 transcription factor is considered to make the most significant contribution to the NFE2L2/AP-1-pathway-dependent antioxidants regulation in the human cell, AP-1 has the potential to provide significant backup and even play an equal role in the cell. Considering this, the present study is focused on revealing how JUN, an AP-1 component, and NFE2L2 contribute to regulation of four target genes containing AREs with embedded TREs-SQSTM1, FTH1, HMOX1 and CBR3 and to cellular oxidative status in general in basal conditions and under pro-oxidative influence...
December 4, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30515696/identification-of-porcine-ctla4-gene-polymorphism-and-their-association-with-piglet-diarrhea-and-performance-traits
#19
Xiaowen Gao, Dongchun Guo, Mingxing Kou, Guiling Xing, Andong Zha, Xiuqin Yang, Xibiao Wang, Shengwei Di, Jiancheng Cai, Buyue Niu
The objective of this study was to evaluate the association between the cytotoxic T-lymphocyte-associated antigen 4 (CTLA4) gene and piglet diarrhea. In this study, the mRNA expression of the CTLA4 gene increased significantly in IPEC-J2 cells after Escherichia coli K88 infection. Single nucleotide polymorphisms (SNPs) located in the 5' flanking region (SNPs g.107281989C>T) and 3'-untranslated region (3'-UTR; SNPs g.107288753C>A) were identified, and they were in linkage disequilibrium in both Min pigs and the Landrace population...
December 4, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30515695/synergistic-effects-of-timp2-418g-c-and-mmp9-1562c-t-variants-on-the-male-infertility-risk
#20
Shiva Roshankhah, Kamran Mansouri, Mitra Bakhtiari, Mohammad Reza Salahshoor, Rezvan Asgari
Matrix metalloproteinases (MMPs) and their inhibitors (TIMPs) involve in the degradation of the extracellular matrix (ECM) that imbalances their activity and may lead to various diseases. The present study aims to evaluate the association between MMP9-1562C/T and TIMP2-418G/C variants and synergistic effects of both variants on male infertility in an Iranian population. We analyzed these polymorphisms in 101 infertile men and 106 fertile men as a control group using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) technique...
December 4, 2018: Molecular Biology Reports
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