Search results: Found 6

Listing 1 - 6 of 6
Sort by
Neuroanatomy and transgenic technologies

Authors: --- --- --- --- et al.
Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889195138 Year: Pages: 139 DOI: 10.3389/978-2-88919-513-8 Language: English
Publisher: Frontiers Media SA
Subject: Science (General) --- Neurology
Added to DOAB on : 2015-12-03 13:02:24
License:

Loading...
Export citation

Choose an application

Abstract

Neuroanatomists increasingly rely on techniques enabling them to manipulate genes in defined brain cell populations. In particular, engineered transgenes, which encode a variety of fluorescent reporter proteins can be inserted into the genome or delivered into desired brain regions using viral vectors, thereby allowing the labeling of molecularly-defined populations of neurons and/or glial cells. Transgenic technology can also be used to selectively delete genes in targeted neuronal populations or bi-directionally modulate their electrical excitability using optogenetic or chemogenetic techniques. One of the primary advantages of using transgenic reagents is to simplify the identification and tracing of targeted population of brain cells, which can be laborious using traditional techniques in neuroanatomy. In this research topic, we assembled up-to-date reviews and original articles that demonstrate the versatility and power of transgenic tools in advancing our knowledge of the nervous system, with a special emphasis on the application of transgenic technology to neuroanatomical questions.

Human Tumor-Derived p53 Mutants: A Growing Family of Oncoproteins

Authors: ---
Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889199617 Year: Pages: 97 DOI: 10.3389/978-2-88919-961-7 Language: English
Publisher: Frontiers Media SA
Subject: Medicine (General) --- Oncology
Added to DOAB on : 2016-01-19 14:05:46
License:

Loading...
Export citation

Choose an application

Abstract

TP53 gene mutations are present in more than half of all human cancers. The resulting proteins are mostly full-length with a single amino acid change and are abundantly expressed in cancer cells. Some of the mutant p53 proteins gain oncogenic functions (GOF) through which it actively contribute to the aberrant cell proliferation, increased resistance to apoptotic stimuli and ability to metastasize. Gain of function mutant p53 proteins can transcriptionally regulate the expression of a large plethora of target genes. This mainly occurs through the formation of oncogenic transcriptional competent complexes that include mutant p53 protein, known transcription factors, posttranslational modifiers and scaffold proteins. Mutant p53 protein can also transcriptionally regulate the expression of microRNAs, small non-coding RNAs that regulate gene expression at the posttranscriptional level. Each microRNA can putatively target the expression of hundred mRNAs and consequently impact on many cellular functions. Thus, gain of function mutant p53 proteins can exert their oncogenic activities through the modulation of both non-coding and coding regions of human genome. Over the past 3 decades, the regulation of p53 has been extensively studied. However, the regulation of mutant p53 remained largely unexplored. This snapshot focuses on recent discovery of mutant p53 GOF and regulation.

Distributed Networks: New Outlooks on Cerebellar Function

Authors: --- --- ---
Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889196265 Year: Pages: 211 DOI: 10.3389/978-2-88919-626-5 Language: English
Publisher: Frontiers Media SA
Subject: Science (General) --- Neurology
Added to DOAB on : 2016-08-16 10:34:25
License:

Loading...
Export citation

Choose an application

Abstract

Accumulating evidence suggests that the cerebellum subserves functions beyond the sensorimotor realm. This possibility has received considerable attention during the past quarter century, with recent findings revealing putative cerebellar roles in cognition, emotion and spatial navigation. These functions are potentially underpinned by the behaviour-dependent formation of functional networks in which the cerebellum forms one node of distributed circuits spanning thalamic, limbic and neocortical regions. However, these views are not universally accepted. Therefore, the over-arching aim of this Research Topic was to provide a forum through which the debate on the role of cerebellar interactions with motor and "non-motor" structures can be pursued in a rigorous manner. In particular, we aimed to bring together findings from the clinical, animal, theoretical and neuroimaging fields.

The Biology and Treatment of Myeloid Leukaemias

Authors: ---
ISBN: 9783038427957 9783038427964 Year: Pages: VI, 190 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Oncology
Added to DOAB on : 2018-04-17 13:45:41
License:

Loading...
Export citation

Choose an application

Abstract

There has been an observed decrease in the global mortality from cancer, mostly atributable to improved, particularly early, detection and prevention. For many carcinomas and leukaemias in adults, once the disease has reached a certain stage there are no therapies that are able to erradicate the cancer cells and cure patients. There has been progress in the treatment of acute myeloid leukaemia (AML) and remissions are achievable; however, the presence of chemoresistent blast cells leads to most patients relapsing, and relapse is difficult to treat and thus patients die due to their disease. Targeting these resistent cells and the leukaemia stem cells, which sustain the leukaemia, is crucial for an effective therapy for AML. Moreover, an increasing number of diverse mutations have been described in AML cells that disrupt the ability of these cells to undergo differentiation. The use of pro-differentiating agents to drive the blast cells to mature, and subsequently undergo apoptosis, provides another approach to therapy. Differentiation therapy, using all-trans retinoic acid (ATRA), an inducer of granulocyte differentiation, has been highly successful in the case of acute promyeloicytic leukaemia, a sub-type of AML, turning this disease into a curable malignancy.

Advances in Epithelial Ovarian Cancer: Model Systems, Microenvironmental Influences, Therapy, and Origins

Authors: --- --- ---
Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889197699 Year: Pages: 176 DOI: 10.3389/978-2-88919-769-9 Language: English
Publisher: Frontiers Media SA
Subject: Oncology --- Medicine (General)
Added to DOAB on : 2016-04-07 11:22:02
License:

Loading...
Export citation

Choose an application

Abstract

This eBook provides a compendium of the current state-of-the-art in research tools for, and understanding of, the critical research areas in epithelial ovarian cancer (EOC) with a strong emphasis on (HG-SOC). Research areas covered include therapy response and development, microenvironmental influences and the etiology and progression of EOC. Ten articles detail established and novel in vivo and in vitro model systems. These include primary and immortalized cell culture in 2D and 3D as well as genetically engineered, transgenic, spontaneous, syngeneic, classical xenograft and patient derived xenograft mouse models. The generation of genetically engineered mouse models of HG-SOC has been a major dilemma as models with the oncogenic aberrations common in the human malignancy do not accurately recapitulate HG-SOC. Conversely, commonly used HG-SOC cell lines have been found to not harbor the expected genetic changes. These issues as well as the rapid acceptance of patient derived xenograft models are reviewed. Five articles discuss different aspects of the tumor microenvironment including its role in therapy resistance, disease progression and metastasis. Mutation of BRCA1/2 continues to be the best defined risk factor for HG-SOC. Three articles discuss BRCA-loss in the context of disease development, targeted therapies and changes in preventative measures proposed for mutation carriers in light of the recent advances in knowledge regarding the origins of this malignancy. An image of HG-SOC with patchy BRCA1 expression is featured on the cover (image by VM Howell). A major clinical issue for patients with HG-SOC is the development of therapy resistance. Five articles focus on therapy resistance and different ways to overcome resistance. Overall, this eBook is an outstanding resource to aid researchers design their programs of research and determine the most appropriate and up-to-date EOC model systems to address their research questions.

Drug Delivery Technology Development in Canada

Authors: ---
ISBN: 9783039280049 9783039280056 Year: Pages: 352 DOI: 10.3390/books978-3-03928-005-6 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Medicine (General) --- Therapeutics
Added to DOAB on : 2020-01-07 09:21:22
License:

Loading...
Export citation

Choose an application

Abstract

Canada continues to have a rich history of ground-breaking research in drug delivery within academic institutions, pharmaceutical industry and the biotechnology community.

Keywords

doxorubicin --- MG63 --- Vitamin D --- DOX-Vit D --- hypoxia-induced chemoresistance --- cisplatin --- polymeric micelle --- EGFR-targeted therapy --- STAT3 --- HIF-1 --- GE11 peptide --- pharmacological Inhibitors of HIF-1 and STAT3 --- combination therapy --- pharmacokinetics --- antibodies --- radiolabeling --- biodistribution --- mouse models --- oral formulation --- amphotericin B --- fungal infections --- parasitic infections --- developing world --- drug delivery --- liposomes --- drug delivery systems --- innovation --- lipid nanoparticles --- Metaplex --- triggered drug release --- liposomes --- ultrasound --- magnetic fields --- radiation --- oral delivery --- biological barriers --- co-delivery --- throughput --- sustained delivery --- phospholipid complex --- rosmarinic acid --- bioaccessibility --- dissolution --- TNO gastrointestinal model --- gastrointestinal simulator --- phytosterols --- tocopherols --- liposomes --- canola oil deodorizer distillate --- model orange juice --- virus --- plant --- bacteriophage --- phage display --- drug discovery --- encapsulation --- drug delivery --- blood-brain barrier --- intra-arterial chemotherapy --- malignant gliomas --- primary central nervous system lymphomas --- transdermal drug delivery --- Canada --- skin --- permeation enhancers --- oral, head and neck squamous cell carcinoma --- targeted therapies --- drug delivery systems --- nanoparticles --- controlled drug delivery --- circadian clock --- chronotherapy --- precision medicine --- cationic gemini surfactant --- melphalan --- inclusion complex --- ROESY NMR spectroscopy --- 3D spheroid --- drug-resistant melanoma --- liposome --- water miscible solvents --- remote loading --- staurosporine --- cancer --- gambogic acid --- loading gradients --- mefloquine --- child friendly formulation --- blood-brain barrier (BBB) --- drug delivery --- transient modulation --- HAV6 cadherin peptide --- adenanthin --- magnetic resonance imaging (MRI) --- medulloblastoma --- drug delivery --- pharmaceutics --- drug development --- formulation and dosage form development --- translational research --- biologicals --- small molecules --- clinical trials --- pharmacokinetics --- medical devices --- route of administration --- nifedipine --- emulsion --- flavonoids --- topical formulation --- quercetin --- photostabilizers

Listing 1 - 6 of 6
Sort by
Narrow your search