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https://www.readbyqxmd.com/read/28941416/increased-cycles-of-dc-cik-immunotherapy-decreases-frequency-of-tregs-in-patients-with-resected-nsclc
#1
Haiping Song, Shujuan Liu, Ziyun Zhao, Weihong Sun, Xiaofang Wei, Xuezhen Ma, Peng Zhao, Daiqing Gao
Regulatory T cells (Tregs) suppress antitumor immune responses. Cycles of Dendritic cells (DC) vaccination combined with cytokine-induced killer (CIK) cells (DC/CIK) treatment were significantly related with good prognosis. Therefore, we investigated whether increased cycles of immunotherapy could decrease frequency of Tregs in patients with resected non-small cell lung cancer (NSCLC). Previous study from our laboratory has determined that the optimal cutoff point of the cycle count was 3cycles. We examined the levels of Tregs and the related cytokines by flow cytometric and cytokine analysis in these patients after more than (≥) 3cycles or less than (<) 3cycles of DC/CIK cell treatment...
September 20, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28941411/a-fully-continuous-system-of-dna-profile-evidence-evaluation-that-can-utilise-str-profile-data-produced-under-different-conditions-within-a-single-analysis
#2
Duncan Taylor, Jo-Anne Bright, Hannah Kelly, Meng-Han Lin, John Buckleton
The introduction of probabilistic DNA interpretation systems has made it possible to evaluate many profiles that previously (under a manual interpretation system) were not. These probabilistic systems have been around for a number of years and it is becoming more common that their use within a laboratory has spanned at least one technology change. This may be a change in laboratory hardware, the DNA profiling kit used, or the manner in which the profile is generated. Up until this point, when replicates DNA profiles are generated, that span a technological change, the ability to utilise all the information in all replicates has been limited or non-existent...
September 8, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28941407/targeted-neurogenesis-pathway-based-gene-analysis-identifies-adora2a-associated-with-hippocampal-volume-in-mild-cognitive-impairment-and-alzheimer-s-disease
#3
Emrin Horgusluoglu-Moloch, Kwangsik Nho, Shannon L Risacher, Sungeun Kim, Tatiana Foroud, Leslie M Shaw, John Q Trojanowski, Paul S Aisen, Ronald C Petersen, Clifford R Jack, Simon Lovestone, Andrew Simmons, Michael W Weiner, Andrew J Saykin
Alzheimer's disease (AD) patients display hippocampal atrophy, memory impairment, and cognitive decline. New neurons are generated throughout adulthood in 2 regions of the brain implicated in AD, the dentate gyrus of the hippocampus and the subventricular zone of the olfactory bulb. Disruption of this process contributes to neurodegenerative diseases including AD, and many of the molecular players in AD are also modulators of adult neurogenesis. However, the genetic mechanisms underlying adult neurogenesis in AD have been underexplored...
August 18, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28941398/the-mechanisms-mediating-the-antiepileptic-effects-of-the-ketogenic-diet-and-potential-opportunities-for-improvement-with-metabolism-altering-drugs
#4
REVIEW
Neil A Youngson, Margaret J Morris, Bill Ballard
The ketogenic diet (KD) is increasingly being used to treat patients with intractable epilepsy. Despite decades of research, the reason for its success, when anticonvulsants have failed, is still not completely understood. There are, however, many candidate mechanisms which can be grouped into those that alter neuronal excitability at the synapse, and those that confer neuroprotection. The molecular underpinning of these mechanisms centres on the shift from glucose- to lipid-based energy generation that accompanies a high fat/low carbohydrate diet...
September 13, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28941396/real-time-ultrasound-angiography-using-superharmonic-dual-frequency-2-25mhz-30mhz-cylindrical-array-in-vitro-study
#5
Zhuochen Wang, K Heath Martin, Paul A Dayton, Xiaoning Jiang
Recent studies suggest that dual-frequency intravascular ultrasound (IVUS) transducers allow detection of superharmonic bubble signatures, enabling acoustic angiography for microvascular and molecular imaging. In this paper, a dual-frequency IVUS cylindrical array transducer was developed for real-time superharmonic imaging. A reduced form-factor lateral mode transmitter (2.25MHz) was used to excite microbubbles effectively at 782kPa with single-cycle excitation while still maintaining the small size and low profile (5Fr) (3Fr=1mm) for intravascular imaging applications...
September 15, 2017: Ultrasonics
https://www.readbyqxmd.com/read/28941355/a-novel-method-to-detect-bias-in-short-read-ngs-data
#6
Jamie Alnasir, Hugh P Shanahan
Detecting sources of bias in transcriptomic data is essential to determine signals of Biological significance. We outline a novel method to detect sequence specific bias in short read Next Generation Sequencing data. This is based on determining intra-exon correlations between specific motifs. This requires a mild assumption that short reads sampled from specific regions from the same exon will be correlated with each other. This has been implemented on Apache Spark and used to analyse two D. melanogaster eye-antennal disc data sets generated at the same laboratory...
September 23, 2017: Journal of Integrative Bioinformatics
https://www.readbyqxmd.com/read/28938749/the-testicular-transcriptome-associated-with-spermatogonia-differentiation-initiated-by-gonadotrophin-stimulation-in-the-juvenile-rhesus-monkey-macaca-mulatta
#7
Suresh Ramaswamy, William H Walker, Paula Aliberti, Rahil Sethi, Gary R Marshall, Alyxzandria Smith, Seyedmehdi Nourashrafeddin, Alicia Belgorosky, Uma R Chandran, Mark P Hedger, Tony M Plant
STUDY QUESTION: What is the genetic landscape within the testis of the juvenile rhesus monkey (Macaca mulatta) that underlies the decision of undifferentiated spermatogonia to commit to a pathway of differentiation when puberty is induced prematurely by exogenous LH and FSH stimulation? SUMMARY ANSWER: Forty-eight hours of gonadotrophin stimulation of the juvenile monkey testis resulted in the appearance of differentiating B spermatogonia and the emergence of 1362 up-regulated and 225 down-regulated testicular mRNAs encoding a complex network of proteins ranging from enzymes regulating Leydig cell steroidogenesis to membrane receptors, and from juxtacrine and paracrine factors to transcriptional factors governing spermatogonial stem cell fate...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938745/a-closer-look-at-expanded-carrier-screening-from-a-pgd-perspective
#8
Carolina Vaz-de-Macedo, Joyce Harper
Conventionally, the search for carrier status was based on ethnicity and/or family history and targeted to a restricted number of genetic conditions and mutations. This is now being replaced by extended panels testing for hundreds of genetic disorders with a broad range of phenotypes, in what is called 'expanded carrier screening'. While the ultimate aim of these panels is to increase the reproductive autonomy of the individuals and couples by providing preconception knowledge that could lead to the broadest range of available options, including PGD, we argue that: (i) Given the number and heterogeneity of the conditions included in panels, it cannot be guaranteed that a couple who tests positive for one of those conditions will be eligible for PGD; patients should be informed of this potential limitation before undertaking screening...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938744/an-improved-ivm-method-for-cumulus-oocyte-complexes-from-small-follicles-in-polycystic-ovary-syndrome-patients-enhances-oocyte-competence-and-embryo-yield
#9
F Sánchez, F Lolicato, S Romero, M De Vos, H Van Ranst, G Verheyen, E Anckaert, J E J Smitz
STUDY QUESTION: Are meiotic and developmental competence of human oocytes from small (2-8 mm) antral follicles improved by applying an optimized IVM method involving a prematuration step in presence of C-Type Natriuretic Peptide (CNP) followed by a maturation step in presence of FSH and Amphiregulin (AREG)? SUMMARY ANSWER: A strategy involving prematuration culture (PMC) in the presence of CNP followed by IVM using FSH + AREG increases oocyte maturation potential leading to a higher availability of Day 3 embryos and good-quality blastocysts for single embryo transfer...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938737/complex-catsper-dependent-and-independent-ca2-i-signalling-in-human-spermatozoa-induced-by-follicular-fluid
#10
Sean G Brown, Sarah Costello, Mark C Kelly, Mythili Ramalingam, Ellen Drew, Stephen J Publicover, Christopher L R Barratt, Sarah Martins Da Silva
STUDY QUESTION: Does progesterone in human follicular fluid (hFF) activate CatSper and do other components of hFF modulate this effect and/or contribute separately to hFF-induced Ca2+ signaling? SUMMARY ANSWER: hFF potently stimulates CatSper and increases [Ca2+]i, primarily due to high concentrations of progesterone, however, other components of hFF also contribute to [Ca2+]i signaling, including modulation of CatSper channel activity and inhibition of [Ca2+]i oscillations...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938736/deep-sequencing-shows-that-oocytes-are-not-prone-to-accumulate-mtdna-heteroplasmic-mutations-during-ovarian-ageing
#11
L Boucret, C Bris, V Seegers, D Goudenège, V Desquiret-Dumas, M Domin-Bernhard, V Ferré-L'Hotellier, P E Bouet, P Descamps, P Reynier, V Procaccio, P May-Panloup
STUDY QUESTION: Does ovarian ageing increase the number of heteroplasmic mitochondrial DNA (mtDNA) point mutations in oocytes? SUMMARY ANSWER: Our results suggest that oocytes are not subject to the accumulation of mtDNA point mutations during ovarian ageing. WHAT IS KNOWN ALREADY: Ageing is associated with the alteration of mtDNA integrity in various tissues. Primary oocytes, present in the ovary since embryonic life, may accumulate mtDNA mutations during the process of ovarian ageing...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938721/the-draft-genome-sequence-of-a-desert-tree-populus-pruinosa
#12
Wenlu Yang, Kun Wang, Jian Zhang, Jianchao Ma, Jianquan Liu, Tao Ma
Populus pruinosa is a large tree that grows in deserts and shows distinct differences in both morphology and adaptation compared to its sister species, P. euphratica. Here we present a draft genome sequence for P. pruinosa and examine genomic variations between the 2 species. A total of 60 Gb of clean reads from whole-genome sequencing of a P. pruinosa individual were generated using the Illumina HiSeq2000 platform. The assembled genome is 479.3 Mb in length, with an N50 contig size of 14.0 kb and a scaffold size of 698...
September 1, 2017: GigaScience
https://www.readbyqxmd.com/read/28938720/deep-whole-genome-sequencing-of-90-han-chinese-genomes
#13
Tianming Lan, Haoxiang Lin, Wenjuan Zhu, Tellier Christian Asker Melchior Laurent, Mengcheng Yang, Xin Liu, Jun Wang, Jian Wang, Huanming Yang, Xun Xu, Xiaosen Guo
Next-generation sequencing provides a high-resolution insight into human genetic information. However, the focus of previous studies has primarily been on low-coverage data due to the high cost of sequencing. Although the 1000 Genomes Project and the Haplotype Reference Consortium have both provided powerful reference panels for imputation, low-frequency and novel variants remain difficult to discover and call with accuracy on the basis of low-coverage data. Deep sequencing provides an optimal solution for the problem of these low-frequency and novel variants...
September 1, 2017: GigaScience
https://www.readbyqxmd.com/read/28938682/mental-health-of-the-old-and-new-generation-migrant-workers-in-china-who-are-at-greater-risk-for-psychological-distress
#14
Bao-Liang Zhong, Sandra S M Chan, Tie-Bang Liu, Dong Jin, Chi-Yi Hu, Helen F K Chiu
Rural-to-urban migrant workers (MWs) are a large vulnerable population in China and, recently, the new-generation MWs (those born in 1980 or later) have become the majority of this population. Examining difference in the epidemiology of poor mental health between the new- and old-generation (those born before 1980) MWs would facilitate mental health promotion efforts. However, very few related studies are available and they produced conflicting findings. This study investigated intergenerational difference in prevalence and correlates of psychological distress (PD) in MWs...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938622/profiling-cancer-related-gene-mutations-in-oral-squamous-cell-carcinoma-from-japanese-patients-by-targeted-amplicon-sequencing
#15
Takafumi Nakagaki, Miyuki Tamura, Kenta Kobashi, Ryota Koyama, Hisayo Fukushima, Tomoko Ohashi, Masashi Idogawa, Kazuhiro Ogi, Hiroyoshi Hiratsuka, Takashi Tokino, Yasushi Sasaki
Somatic mutation analysis is a standard practice in the study of human cancers to identify mutations that cause therapeutic sensitization and resistance. We performed comprehensive genomic analyses that used PCR target enrichment and next-generation sequencing on Ion Proton semiconductor sequencers. Forty-seven oral squamous cell carcinoma (OSCC) samples and their corresponding noncancerous tissues were used for multiplex PCR amplification to obtain targeted coverage of the entire coding regions of 409 cancer-related genes (covered regions: 95...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938604/inflammation-and-stem-markers-association-to-pim1-pim2-kinase-induced-tumors-in-breast-and-uterus
#16
Manuel-Pedro Jiménez-García, Antonio Lucena-Cacace, María-José Robles-Frías, Irene Ferrer, Maja Narlik-Grassow, Carmen Blanco-Aparicio, Amancio Carnero
The PIM family of Ser/Thr kinase proteins has been implicated in tumorigenesis at different levels. PIM proteins are overexpressed in several tumor types and have been associated with chemoresistance. However, their role in hormone-dependent female tissues has not been explored, especially in the uterus, breast and ovary. We generated conditional transgenic mice with confined expression of human PIM1 or PIM2 genes in these tissues. We characterized the tumoral response to these genetic alterations corroborating their role as oncogenes since they induce hyperproliferation in all tissues and tumors in mammary gland and uterus...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938592/visible-light-sensitive-titanium-dioxide-nanoplatform-for-tumor-responsive-fe2-liberating-and-artemisinin-delivery
#17
Huijuan Zhang, Hongling Zhang, Xing Zhu, Xiaoge Zhang, Qianqian Chen, Jianjiao Chen, Lin Hou, Zhenzhong Zhang
Artemisinin is a kind of Fe(2+)-dependent drugs. Artemisinin and Fe(2+) co-transport systems can improve its anti-tumor effect. In this study, a visible light-sensitive nanoplatform (HA-TiO2-IONPs/ART) was developed. Detailed investigation demonstrated that HA-TiO2-IONPs/ART could realize Fe(2+) and artemisinin synchronous co-delivery and tumor-responsive release. This feature enhanced the anti-tumor efficiency of artemisinin significantly. In vitro results proved that hyaluronic acid modification could improve the biocompatibility, dispersion stability and cytophagy ability of nanocarriers...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938512/numerical-simulation-of-scaling-up-for-aec-mbrs-regarding-membrane-module-configurations-and-cyclic-aeration-modes
#18
Min Yang, Mengmeng Liu, Dawei Yu, Jiaxi Zheng, Zhichao Wu, Shuguang Zhao, Jiang Chang, Yuansong Wei
The airlift external circulation membrane bioreactors (AEC-MBRs) have been attracting attentions due to their capabilities of nutrient removal with lower energy demand and smaller footprint. The gap between laboratory study and full-scale AEC-MBRs regarding hydrodynamics needs to be addressed. In this study, impacts of seven design variables and cyclic aeration modes on hydrodynamics were studied for the scale-up of AEC-MBRs with computational fluid dynamics modelling. The results demonstrated that shear stress on membranes was 14...
September 6, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28938498/-loudness-optimized-registration-of-compound-action-potential-in-cochlear-implant-recipients
#19
Klaus Berger, Thomas Hocke, Horst Hessel
Background Postoperative measurements of compound action potentials are not always possible due to the insufficient acceptance of the CI-recipients. This study investigated the impact of different parameters on the acceptance of the measurements. Methods Compound action potentials of 16 CI recipients were measured with different pulse-widths. Recipients performed a loudness rating at the potential thresholds with the different sequences. Results Compound action potentials obtained with higher pulse-widths were rated softer than those obtained with smaller pulse-widths...
September 22, 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28938492/a-long-noncoding-rna-lncrna-amhr2-plays-a-role-in-amhr2-gene-activation-in-mouse-ovarian-granulosa-cells
#20
Atsushi P Kimura, Ryoma Yoneda, Misuzu Kurihara, Shota Mayama, Shin Matsubara
Anti-Müllerian hormone (AMH) is critical to the regression of Müllerian ducts during mammalian male differentiation and targets ovarian granulosa cells and testicular Sertoli and Leydig cells of adults. Specific effects of AMH are exerted via its receptor, AMH type II receptor (Amhr2), but the mechanism by which the Amhr2 gene is specifically activated is not fully understood. To see whether a proximal promoter was sufficient to Amhr2 gene activation, we generated transgenic mice that bore the enhanced green fluorescent protein (EGFP) gene driven by a 500-bp mouse Amhr2 gene promoter...
September 14, 2017: Endocrinology
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