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Articles 1 - 9 of 9
Full-Text Articles in Medicine and Health Sciences
Synthesis, Characterization And Biological Evaluation Of Polyarginine Derived Bone-Targeting Peptides, Gina L. Antuono
Synthesis, Characterization And Biological Evaluation Of Polyarginine Derived Bone-Targeting Peptides, Gina L. Antuono
Seton Hall University Dissertations and Theses (ETDs)
Osteoblast-targeting peptides in the treatment of bone disease is a new and novel approach to offering effective treatment of various cancers and can be used in bio-medical, medicinal chemistry and biotechnology applications. By targeting adhesion proteins produced by osteoblast cells, certain cancers which migrate and metastasize to the bone may be more effectively treated. An osteoblast-targeting peptide composed of Ser-Asp-Ser-Ser-Asp (SDSSD) which selectively binds to osteoblast cells via periostin has recently been identified. This peptide was functionalized with polyurethane, generating nanomicelles which encapsulated RNA for the therapeutic treatment of osteoporosis. This study has served as the basis for the research …
Clinically Relevant Dosage Of Vancomycin Does Not Negatively Impact Periosteum Derived Osteoblast Precursor Cellular Functions, Alexis Hernandez
Clinically Relevant Dosage Of Vancomycin Does Not Negatively Impact Periosteum Derived Osteoblast Precursor Cellular Functions, Alexis Hernandez
Seton Hall University Dissertations and Theses (ETDs)
Surgical site infections (SSI) can develop post-operatively and carry significant clinical and financial implications. SSI can carry a cost of up to $30,000 per case, as well as an estimated 6 day longer hospitalization. Patients with Type II Diabetes (DM) have an increased susceptibility to infection and suffer from poor bone healing overall. Therefore, diabetic patients who have undergone orthopedic surgery risk both an increased chance of developing an SSI as well as suboptimal bone healing. Vancomycin and other antibiotics have traditionally been used prophylactically to prevent infection, however the effect of vancomycin on bone healing in a diabetic population …
A Functional Three-Dimensional Microphysiological Model Of Myeloma Bone Disease, Richard Visconti
A Functional Three-Dimensional Microphysiological Model Of Myeloma Bone Disease, Richard Visconti
Seton Hall University Dissertations and Theses (ETDs)
Multiple myeloma (MM) is a hematologic cancer caused by a mature B cell neoplasm, or plasmacytoma, that infiltrates the skeleton at several sites. The disease is characterized by uninhibited transformed plasma cell proliferation that disrupts skeletal homeostasis leading to decreased bone modeling and increased bone resorption. Osteolytic lesions (OL) or voids left in the bone, remain long after the treatment of the cancer and indicate disease progression to myeloma bone disease (MBD). Current combinatorial MM therapies inhibit malignant plasma cell proliferation, slow the progression towards MBD, and increase the mean five-year survival rate, but do little to improve osteoblastic function …
Vanadium Compounds Modulate Osteoblast Proliferation And Function, Bryan Sosa
Vanadium Compounds Modulate Osteoblast Proliferation And Function, Bryan Sosa
Seton Hall University Dissertations and Theses (ETDs)
Osteoblastogenesis is an essential part of the bone healing process. Insulin has been shown to improve bone healing in both normal and diabetic bone healing models. In addition, insulin mimetic compounds such as Zinc chloride (ZnCl2) and Vanadyl acetylacetonate (VAC) have also been shown to improve bone healing in these models as well. The purpose of this study was to determine the effects of vanadium compounds VAC and Vanadium (II) sulfate (VSO4) in osteoblast proliferation and function. In addition the mechanisms by which growth and function are facilitated by these Vanadium compounds were also evaluated. In …
Zinc Chloride Enhanced Chondrogenesis Is Vegf Dependent, Gilbert M. Sharp Iv
Zinc Chloride Enhanced Chondrogenesis Is Vegf Dependent, Gilbert M. Sharp Iv
Seton Hall University Dissertations and Theses (ETDs)
Researchers have begun investigating whether insulin mimetics such as ZnCl2 could promote bone healing in both non-diabetic and diabetic fracture healing similarly to insulin. Our research focused on understanding the mechanism by which ZnCl2 affects chondrogenesis, an important component of bone fracture healing. The increases in proteoglycan deposition and cell proliferation seen in our data may be a result of ZnCl2 induction of the IGF-1 pathway. When the VEGF pathway was inhibited in ZnCl2- or insulin-treated cells significant decreases in proteoglycan deposition occurred on day 7 and 14 (P=0.007 for ZnCl2, P=0.028 for insulin) when compared to controls. This data …
Fluorescently Labeled Sirnas And Their Theranostic Applications In Cancer Gene Therapy, Stephen David Kozuch
Fluorescently Labeled Sirnas And Their Theranostic Applications In Cancer Gene Therapy, Stephen David Kozuch
Seton Hall University Dissertations and Theses (ETDs)
Gene therapy has emerged as a promising precision nano-medicine strategy in the treatment of numerous diseases including cancer. At the forefront of its utility are the applications of short-interfering RNA (siRNA), that silence oncogenic mRNA expression leading to cancer cell death through the RNA interference (RNAi) pathway. Despite the therapeutic potential, siRNAs are limited by poor pharmacological properties, which has hindered their translation into the clinic. Recent studies, however, have highlighted the applications of modified siRNAs, including the use of fluorescent probes and siRNA nanostructures in cancer detection and treatment. The siRNAs reported in this thesis are designed to target …
Diversity Oriented Synthesis, Characterization And Anti-Cancer Activity Of Killer Peptide Nucleolipid Bioconjugates, Niki K. Rana
Diversity Oriented Synthesis, Characterization And Anti-Cancer Activity Of Killer Peptide Nucleolipid Bioconjugates, Niki K. Rana
Seton Hall University Dissertations and Theses (ETDs)
The killer peptide sequence D-(KLAKLAK)2 has been originally designed and developed as an antibacterial agent. Despite having excellent cytotoxicity towards bacteria, this sequence maintains low cell cytotoxity in malignant mammalian cell types such as cancer. The chemical basis for its selectivity has been attributed to its poly(cationic) amphiphilic nature, which facilitates cell permeability across the negatively charged bacterial membrane, but with limited permeability across the zwitterionic membrane of mammalian cells. The positively charged D-(KLAKLAK)2 sequence has been found to accumulate on the surface of the mitochondria causing dissipation of the negatively charged mitochondrial membrane potential. This charge disruption …
Characterization Of Migrating Cells From Ventricular Zone (Vz) To Distant Limbic Structures After Multiple Neonatal Seizures, Melissa Corcia
Characterization Of Migrating Cells From Ventricular Zone (Vz) To Distant Limbic Structures After Multiple Neonatal Seizures, Melissa Corcia
Seton Hall University Dissertations and Theses (ETDs)
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Morphine Enhances The Permeability Across Vascular Endothelial Cell Barriers, Jenine Anday
Morphine Enhances The Permeability Across Vascular Endothelial Cell Barriers, Jenine Anday
Seton Hall University Dissertations and Theses (ETDs)
Using three types of in vitro endothelial cell barrier models, we investigated the direct effects and mechanisms of morphine on vascular permeability. Our current studies illustrate LPS induces permeability across these VEC barriers, and is significantly enhanced when co-treated with morphine, displayed using the [ 14 CJ-inulin paracellular marker. Incubation with morphine alone induces permeability in a concentration depeodent manner, and is not blocked by the addition of naloxone. Morphine enhances the detrimental effects of LPS on cell viability and alone also decreases endothelial cell viability, concentration-dependently, which is also not affected by naloxone, as demonstrated by the trypan blue …