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Articles 1 - 18 of 18
Full-Text Articles in Medicine and Health Sciences
Modulation Of Ros In Nanosecond-Pulsed Plasma-Activated Media For Dosage-Dependent Cancer Cell Inactivation In Vitro, Chunqi Jiang, Esin Bengisu Sozer, Shutong Song, Nicola Lai, P. Thomas Vernier, Sigi Guo
Modulation Of Ros In Nanosecond-Pulsed Plasma-Activated Media For Dosage-Dependent Cancer Cell Inactivation In Vitro, Chunqi Jiang, Esin Bengisu Sozer, Shutong Song, Nicola Lai, P. Thomas Vernier, Sigi Guo
Bioelectrics Publications
Dosage control of reactive oxygen and nitrogen species (RONS) is critical to low-temperature plasma applications in cancer therapy. Production of RONS by atmospheric pressure, nonequilibrium plasmas in contact with liquid may be modulated via plasma conditions including plasma treatment time and pulse voltage and repetition frequency. In this study, a terephthalic acid-based probe was used to measure hydroxyl radicals [OHaq] in water exposed to plasma and to demonstrate that the OHag concentration increases linearly with treatment time. Fluorometric measurements of hydrogen peroxide concentration in plasma-activated water show a linear relationship between the H2O2 production …
Evaluating The Microbial Experience Influence On Anti-Tumor Immune Response, Jessica A. Ensing
Evaluating The Microbial Experience Influence On Anti-Tumor Immune Response, Jessica A. Ensing
Student Summer Scholars Manuscripts
Despite the steady increase of hygienic standards, the CDC continues to report an increase of immune-mediated diseases such as allergies and asthma. Human avoidance of microbial exposure and subsequently less experienced immune systems may be the cause for this increase. We investigated if increased microbial exposure results in increased immunity to cancer (B16 melanoma) by measuring activated lymphocytes between two groups of C57Bl/6 mice: specific pathogen free (SPF) mice (which had little microbial exposure) and cohoused (COH) mice (which were exposed to numerous microbes). Previous research shows that the CoH mouse model mimics a human adult’s immune system, while the …
Cancer-Targeting Immunostimulatory Peptides As An Immunotherapeutic Approach To Cancer, Rachel Montel
Cancer-Targeting Immunostimulatory Peptides As An Immunotherapeutic Approach To Cancer, Rachel Montel
Seton Hall University Dissertations and Theses (ETDs)
This dissertation reports the synthesis and biological applications of bifunctional trimeric peptides with B7H6-derived NKp30 binding motifs that serve to activate an immunocytotoxic response in natural killer cells and a GRP78-binding motif that can target tumors that express surface GRP78. In this manner the cancer-targeting immunostimulatory peptides are anticipated to directly bind and activate effector NK92-MI cells while also recognizing and binding to target A549 tumor cells to facilitate NK cell-dependent immunocytotoxicity of the targeted tumors. The NKp30 binding peptide motifs are derived from the tumor associated B7H6 antigen that is often downregulated or shed from the surface of tumors …
Mechanisms Of Cross-Presentation By Cdc1s, Derek James Theisen
Mechanisms Of Cross-Presentation By Cdc1s, Derek James Theisen
Arts & Sciences Electronic Theses and Dissertations
Classical dendritic cells (cDCs) are specialized antigen presenting cells that can be divided into distinct subsets based on the types of pathogens they respond to and the type of immune response they generate. The cDC1 subset is specialized in priming CD8 T cell responses through the process of cross-presentation. During cross-presentation, exogenous protein antigens are taken up by cDC1 and presented on MHCI molecules, allowing for the priming of CD8 T cells during conditions when DCs themselves are not directly infected. The ability to cross-present in vivo is unique to cDC1, and is essential for anti-viral responses and rejection of …
Microbial Experience Influences Tumor- Infiltrating T Lymphocytes, Hanna Groeber
Microbial Experience Influences Tumor- Infiltrating T Lymphocytes, Hanna Groeber
Masters Theses
Immune cells, including T cells, have been used for anti-cancer therapy with varying degrees of success. One potential reason for immunotherapy failures in clinical trials may be that typical specific pathogen free (SPF) mice do not accurately replicate human microbial experience, which has important influence on shaping the adaptive immune response. Recently, several previous studies have shown that the immune system of SPF mice more closely resembles newborn human immunity, whereas immune systems from mice exposed to diverse pathogens more closely reflect adult human immunity.
To study the impact of microbial experience on the immune response, we have adopted a …
Comparative Molecular Transporter Properties Of Cyclic Peptides Containing Tryptophan And Arginine Residues Formed Through Disulfide Cyclization, Eman H. M. Mohammed, Dindyal Mandal, Saghar Mozaffari, Magdy Abdel-Hamied Zahran, Amany Mostafa Osman, Rakesh Kumar Tiwari, Keykavous Parang
Comparative Molecular Transporter Properties Of Cyclic Peptides Containing Tryptophan And Arginine Residues Formed Through Disulfide Cyclization, Eman H. M. Mohammed, Dindyal Mandal, Saghar Mozaffari, Magdy Abdel-Hamied Zahran, Amany Mostafa Osman, Rakesh Kumar Tiwari, Keykavous Parang
Pharmacy Faculty Articles and Research
We have previously reported cyclic cell-penetrating peptides [WR]5 and [WR]4 as molecular transporters. To optimize further the utility of our developed peptides for targeted therapy in cancer cells using the redox condition, we designed a new generation of peptides and evaluated their cytotoxicity as well as uptake behavior against different cancer cell lines. Thus, cyclic [C(WR)xC] and linear counterparts (C(WR)xC), where x = 4–5, were synthesized using Fmoc/tBu solid-phase peptide synthesis, purified, and characterized. The compounds did not show any significant cytotoxicity (at 25 µM) against ovarian (SK-OV-3), leukemia (CCRF-CEM), gastric adenocarcinoma (CRL-1739), breast …
How Can We Stop Cancer?, Joseph R. Current
How Can We Stop Cancer?, Joseph R. Current
The Review: A Journal of Undergraduate Student Research
Cancer is a disease that humans have been struggling to combat for centuries. It originates from the accumulation of several mutations over the life of a cell that causes it to evade cell death and multiply rapidly. It can affect any tissue in the body and can spread to other parts of the body through metastasis. Cancer comes in numerous shapes and sizes with different levels of aggression, growth speeds, and health risks. Many treatments for cancer exist today, three of the most popular being surgery, chemotherapy, and radiation therapy, which can be used in combinations with other treatments to …
Small Extracellular Vesicles Modulated By Αvβ3 Integrin Induce Neuroendocrine Differentiation In Recipient Cancer Cells, Fabio Quaglia, Shiv Ram Krishn, George G. Daaboul, Srawasti Sarker, Raffaella Pippad, Josep Domingo-Domenech, Gaurav Kumar, Paolo Fortina, Peter Mccuee, William K. Kelly, Himisha Beltran, Qin Liu, Lucia R. Languinoa
Small Extracellular Vesicles Modulated By Αvβ3 Integrin Induce Neuroendocrine Differentiation In Recipient Cancer Cells, Fabio Quaglia, Shiv Ram Krishn, George G. Daaboul, Srawasti Sarker, Raffaella Pippad, Josep Domingo-Domenech, Gaurav Kumar, Paolo Fortina, Peter Mccuee, William K. Kelly, Himisha Beltran, Qin Liu, Lucia R. Languinoa
Department of Biochemistry and Molecular Biology Faculty Papers
The ability of small extracellular vesicles (sEVs) to reprogram cancer cells is well established. However, the specific sEV components able to mediate aberrant effects in cancer cells have not been characterized. Integrins are major players in mediating sEV functions. We have previously reported that the αVβ3 integrin is detected in sEVs of prostate cancer (PαVβ3rCa) cells and transferred into recipient cells. Here, we investigate whether sEVs from -expressing cells affect tumour growth differently than sEVs from control cells that do not express αVβ3. We compared the ability of sEVs to stimulate tumour growth, using sEVs isolated from PrCa C4-2B cells …
Genetic Relationships And Therapeutic Options For Relapsed Acute Lymphoblastic Leukemia, Hailie Shertzer
Genetic Relationships And Therapeutic Options For Relapsed Acute Lymphoblastic Leukemia, Hailie Shertzer
Senior Honors Theses
Acute lymphoblastic leukemia (ALL) is the most common form of cancer among children and can be lethal to the adult population. Though 80% of patients with ALL reach complete remission after treatment, about 20% of those diagnosed fail to remain cancer-free. Genetic rearrangements are the hallmark of relapsed ALL, but the mechanism by which these rearrangements occur is still unclear. Recent research suggests these mutations may be detectable during initial diagnosis. If researchers are able to accurately assess the probability of relapse during diagnosis by analyzing the genome of the leukemic cells, the likelihood of administering effective therapy would increase. …
Assay Development For Isolation And Characterization Of Anticancer Properties Of Marine Fungi, Kyra Ricci
Assay Development For Isolation And Characterization Of Anticancer Properties Of Marine Fungi, Kyra Ricci
Honors Theses
Metabolites from fungi have potential use in the drug discovery process and have been used in the past to develop therapeutic agents for human use. Initial characterization of potential therapeutic properties of fungi is thus an important first step in identifying novel therapeutic compounds. In the present study, marine fungi were isolated from Myrtle Beach and assayed for anticancer properties using the soft agar colony formation assay in a 3D in vitro cellular environment. Many species were isolated from environmental samples, displaying unique morphologies and growth patterns. To optimize the soft agar assay in a six-well cell culture plate for …
Editorial: The Role Of Hmgb1 In Immunity, M. Son, B. Diamond, J. Shin
Editorial: The Role Of Hmgb1 In Immunity, M. Son, B. Diamond, J. Shin
Journal Articles
No abstract provided.
Neutrophils Are Mediators Of Metastatic Prostate Cancer Progression In Bone, Diane L. Costanzo-Garvey, Tyler Keeley, Adam J. Case, Gabrielle F. Watson, Massar Alsamraae, Yangsheng Yu, Kaihong Su, Cortney E. Heim, Tammy Kielian, Colm Morrissey, Jeremy S Frieling, Leah M. Cook
Neutrophils Are Mediators Of Metastatic Prostate Cancer Progression In Bone, Diane L. Costanzo-Garvey, Tyler Keeley, Adam J. Case, Gabrielle F. Watson, Massar Alsamraae, Yangsheng Yu, Kaihong Su, Cortney E. Heim, Tammy Kielian, Colm Morrissey, Jeremy S Frieling, Leah M. Cook
Journal Articles: Pathology and Microbiology
Bone metastatic prostate cancer (BM-PCa) significantly reduces overall patient survival and is currently incurable. Current standard immunotherapy showed promising results for PCa patients with metastatic, but less advanced, disease (i.e., fewer than 20 bone lesions) suggesting that PCa growth in bone contributes to response to immunotherapy. We found that: (1) PCa stimulates recruitment of neutrophils, the most abundant immune cell in bone, and (2) that neutrophils heavily infiltrate regions of prostate tumor in bone of BM-PCa patients. Based on these findings, we examined the impact of direct neutrophil-prostate cancer interactions on prostate cancer growth. Bone marrow neutrophils directly induced apoptosis …
The Effects Of Autophagy And Senescence On Sensitivity To Cisplatin In Head And Neck Cancer, Zara H. Siddiqui
The Effects Of Autophagy And Senescence On Sensitivity To Cisplatin In Head And Neck Cancer, Zara H. Siddiqui
Theses and Dissertations
While current treatments in cancer, such as chemotherapy and radiation, can generally be effective in eliminating disease in patients, there also exists the possibility of recurrence of cancer cells over time. In patients diagnosed with locally advanced head and neck carcinoma, about 50-60% develop a loco-regional recurrence within two years, and 20-30% of patients develop metastatic disease at distant sites in the body [5]. On a cellular level, one mechanism for this survival may be that natural mechanisms such as autophagy and senescence play a role in allowing cells to survive after undergoing treatment. One standard of care chemotherapy for …
Identification Of A Novel Single Amino Acid Substitution (V666g) Of Jak1 From A Patient With Acute Lymphoblastic Leukemia Impairs Jak3 Mediated Il-2 Signaling, Alice Hernandez Grant
Identification Of A Novel Single Amino Acid Substitution (V666g) Of Jak1 From A Patient With Acute Lymphoblastic Leukemia Impairs Jak3 Mediated Il-2 Signaling, Alice Hernandez Grant
Open Access Theses & Dissertations
The Janus kinase (JAK) family, notably JAK1, JAK2 and JAK3 are recognized as oncogenic drivers in high risk Acute Lymphoblastic Leukemia (ALL). The bulk of activating JAK mutations are thought to occur within functional hot-spots across Janus Homology (JH) domains. The most frequently mutated regions is the JH2 pseudo-kinase, which provides a negative regulatory role to the adjacent catalytically active JH1 kinase domain. Despite the prevalence of JAK activating mutations and a need for new therapeutic inhibitors, there is a lack of understanding in the allosteric regulation of JAK kinases. Here we sought to identify mutations involved in driving ALL …
Posttraumatic Growth And Death Anxiety In Caregivers Of Cancer Patients: Phoenix Study, Ali̇ Alkan, Eli̇f Berna Köksoy, Ebru Karci, Asli Alkan, Eduardo Bruera, Fi̇li̇z Çay Şenler
Posttraumatic Growth And Death Anxiety In Caregivers Of Cancer Patients: Phoenix Study, Ali̇ Alkan, Eli̇f Berna Köksoy, Ebru Karci, Asli Alkan, Eduardo Bruera, Fi̇li̇z Çay Şenler
Turkish Journal of Medical Sciences
Background/aim: Posttraumatic growth (PTG) is defined as positive psychological changes following a challenging or traumatic life event. The purpose of this study is to define the predictors of PTG and death anxiety (DAN) in caregivers of cancer patients and evaluate the impact of DAN on PTG.Materials and methods: The caregivers of cancer patients were evaluated using structured questionnaires, including a validated PTG scale and Templer death anxiety scale.Results: In 3 different cancer centers, 426 participants were evaluated. In multivariate analysis of factors associated with PTG, a high DAN score was the only parameter associated with high PTG scores [OR: 1.6, …
Immune Gene Therapy Of Cancer, Hakan Akbulut
Immune Gene Therapy Of Cancer, Hakan Akbulut
Turkish Journal of Medical Sciences
Cancer gene therapy emerged as a promising treatment modality 3 decades ago. However, the failure of the first gene therapy trials in cancer treatment has decreased its popularity. Likewise, immunotherapy has followed a similar course. While it was a popular and promising treatment with IL-2 and interferon and cancer vaccines in the 1980s, it later lost its popularity. Immunotherapy became one of the main options for cancer treatment with the successful use of immune checkpoint inhibitors in clinics approximately 10 years ago. The success of immunotherapy has increased even more with the introduction of cancer gene therapy methods in this …
Rna Polymerase I Elongation Kinetics: A Biochemical And Global Study Of A Cancer Therapeutic Target, Catherine Elizabeth Scull
Rna Polymerase I Elongation Kinetics: A Biochemical And Global Study Of A Cancer Therapeutic Target, Catherine Elizabeth Scull
All ETDs from UAB
My graduate research has focused on understanding the elongation kinetics of RNA polymerase I (Pol I), the enzyme responsible for synthesizing ribosomal RNA (rRNA), and defining how inhibition of ribosome biogenesis may be used as a cancer therapeutic strategy. Here, I have defined key biophysical features of Pol I and I have expanded the field’s understanding of Pol I elongation by: 1) characterizing the enzymatic properties of Pol I by mutational analysis of the polymerase itself, and by 2) elucidating the role of DNA sequence on Pol I arrest and nucleolytic cleavage activity. In recent years, Pol I has become …
Investigations Of A Low Carbohydrate Ketogenic Diet As A Possible Treatment For Malignant Brain Tumors, Elizabeth Anaya
Investigations Of A Low Carbohydrate Ketogenic Diet As A Possible Treatment For Malignant Brain Tumors, Elizabeth Anaya
Regis University Student Publications (comprehensive collection)
Cancer is now the leading cause of premature death in the U.S. and second worldwide. However, all cancers on average have seen a 20% increase in 5-year survival in the last 30 years. This is not true for brain cancers which have only seen a 1% increase. Brain cancer is extremely hard to treat, costing the most money out of any other cancer. Nevertheless, Otto Warburg’s investigation of cancer as a metabolic disease has led to a variety of new promising treatments. One of these treatments involves starving cancer cells by cutting off their access to glucose, a key component …