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Articles 1 - 8 of 8
Full-Text Articles in Medicine and Health Sciences
The Influence Of Administrative Timing In Triple-Negative Breast Cancer Treatments, Emily Mailloux
The Influence Of Administrative Timing In Triple-Negative Breast Cancer Treatments, Emily Mailloux
Electronic Theses and Dissertations
Breast cancer accounts for 25% of all cancers in Canadian women, and 15-20% of these are triple-negative breast cancers (TNBC), which have a poorer prognosis than other breast cancer subtypes. TNBC lacks expression of the estrogen receptor, progesterone receptor, and the human epidermal growth factor receptor 2 (HER2), which are common therapeutic targets in breast cancer. Due to the lack of target therapy, generalized chemotherapy treatments are used instead. The standard of care for treatment of TNBC instead consists of doxorubicin (A), cyclophosphamide (C) paclitaxel (T), and carboplatin (Carbo), that target various aspects of the cell cycle to induce cell …
Studies Of Chemosensory Responses In The Pharynx Of The Sea Lamprey (Petromyzon Marinus), Hasan Huseyin Polat
Studies Of Chemosensory Responses In The Pharynx Of The Sea Lamprey (Petromyzon Marinus), Hasan Huseyin Polat
Electronic Theses and Dissertations
The sea lamprey is a basal vertebrate, and the oldest extant species with taste buds. The objective of this thesis was to study the chemosensory responses from the sea lamprey’s pharynx, which is located caudal to oral cavity and medial to seven lateral brachiopores. The pharynx contains taste buds that detect and respond to tastants to inform lampreys about gustatory factors in the environment. The location of these taste buds along the lateral surface of the pharynx was first determined using scanning electron microscopy. Then using electrophysiology, our recordings from these pharyngeal regions containing taste buds picked up responses from …
The Role Of The Circadian Clock In The Intestinal Epithelium During Health, Regeneration, And Tumourigenesis, Kyle Stokes
The Role Of The Circadian Clock In The Intestinal Epithelium During Health, Regeneration, And Tumourigenesis, Kyle Stokes
Electronic Theses and Dissertations
The Earth’s axial rotation subjects its surface to constant periods of light and dark, this is known as photoperiod. Many organisms have adapted their physiology in accordance with this environmental constant by generating 24h rhythms in their physiological functions; these are known as circadian rhythms. Circadian rhythms are controlled by an endogenous time-keeping mechanism known as the circadian clock. Over 40% of the genome in mice and over 80% of the genome in primates has been shown to have 24h rhythms in transcription. The disruption of circadian rhythms through shiftwork, jetlag, or exposure to light at night is associated with …
Physiological State Determinants Of Maternal Cortisol Signaling And Its Impact On Offspring Quality And Fitness, Sydney Currier
Physiological State Determinants Of Maternal Cortisol Signaling And Its Impact On Offspring Quality And Fitness, Sydney Currier
Electronic Theses and Dissertations
Assessing the intergenerational effects of maternal stress is important for predicting how offspring will respond to changing environments. The overall aim of my thesis was to quantify the effects of maternal state on maternally derived egg cortisol and determine whether this variation in egg cortisol impacts Chinook salmon offspring performance and fitness in a sex-specific way. I quantified within-female changes in maternal energetics and reproductive metrics that I linked to egg quality and ultimately embryo survival. I found egg cortisol increases with increasing maternal plasma cortisol, and increases further as plasma cortisol levels rise with each day that eggs are …
The Role Of The Nkr-P1b:Clr-B Inhibitory Axis In Nk Cell-Mediated Tumour Immunosurveillance, Abd El Aziz Hendy
The Role Of The Nkr-P1b:Clr-B Inhibitory Axis In Nk Cell-Mediated Tumour Immunosurveillance, Abd El Aziz Hendy
Electronic Theses and Dissertations
Natural killer (NK) cells are lymphocytes of the innate immune system which do not require prior priming to target infected or altered-self cells, such as tumour cells. The basic functions of NK cells include cytotoxicity and cytokine production. These cells possess numerous activating and inhibitory receptors which regulate their function based on a signalling balance. In mice, NK cells possess NKR-P1B inhibitory receptors which recognize the C-type lectin-related protein-b (Clr-b) ligand. This ligand is present on healthy self cells and may be used by cancer cells to evade NK cell effector functions. The disruption of the NKR-P1B:Clr-b axis has been …
An Enhancement To Cnn Approach With Synthesized Image Data For Disease Subtype Classification, Narider Pal Singh
An Enhancement To Cnn Approach With Synthesized Image Data For Disease Subtype Classification, Narider Pal Singh
Electronic Theses and Dissertations
The introduction of genetic testing has profoundly enhanced the prospects of early detection of diseases and techniques to suggest precision medicines. The subtyping of critical diseases has proven to be an essential part of the development of individualized therapies and has led to deeper insights into the heterogeneity of the disease. Studies suggest that variants in particular genes have significant effects on certain types of immune system cells and are also involved in the risk of certain critical illnesses like cancer. By analyzing the genetic sequence of a patient, disease types and subtypes can be predicted. Recent research work has …
A Program Evaluation Of Nutrition-Based Educational Modules Designed For The University Of Windsor Lancers Varsity Athletics, Justine Van Herk
A Program Evaluation Of Nutrition-Based Educational Modules Designed For The University Of Windsor Lancers Varsity Athletics, Justine Van Herk
Electronic Theses and Dissertations
The purpose of this program evaluation was to develop nutrition-based educational modules for the coaches and student-athletes at the University of Windsor and to investigate their effectiveness, usefulness, and applicability. The nutrition-based educational modules were a collaborative effort between the Community Health, Environment, and Wellness (CHEW) lab and the Centre for Human Performance and Health (CHPH). Eight teams voluntarily participated in the 6-week implementation period with the nutrition-based educational modules. Following this implementation period, nine participants (n = 2 coaches, n = 7 student-athletes) volunteered to provide feedback during one-on-one semi-structured virtual interviews. The interview guide was divided into …
A Network-Based Approach For Computational Drug Repurposing On Cancer Data, Ann Reba Thomas Alexander
A Network-Based Approach For Computational Drug Repurposing On Cancer Data, Ann Reba Thomas Alexander
Electronic Theses and Dissertations
In this thesis, we are interested in finding the best drugs that can be repurposed for the disease and able to find the adverse effects such drugs that are FDA-Approved. Developing an effective drug can be a time-consuming and expensive crucible method. Network-based machine learning methods are used for predicting a given drug for A that can be used for B. It aims at finding new indications for already existing drugs and therefore increases the available therapeutic choices at a fraction of the cost of new drug development. The perturbation gene expression data corresponding to the MCF7 cell line was …