105 research outputs found
Arming America\u27s K-12 Teachers, The Second Amendment and the Gun-Free School Zones Act: A Public Policy Analysis
According to the Second Amendment of the United States Constitution, “A well-regulated Militia, being necessary to the security of a free state, the right of the people to keep and bear arms, shall not be infringed,” (U.S. Const. amend II), which is the absolute “right of the people.” The Bill of Rights further indicates, “Any right given to the people cannot be revoked by the government, limiting its power over the people.” However, educators and school administrators in most U.S. states must check this fundamental right at the door, as they are governed by their respective state governments and school policies, which appear to directly contradict the Bill of Rights, in accordance with the outlined language.
Furthermore, the Second Amendment was designed to allow the people the right to emerge from behind the government and defend themselves through the use of firearms in the event that the government fails to protect their safety and security. This concept has created a new phenomenon within our local, state, and federal governing bodies, who are tasked with securing their schools. In response to active shooter threats, some legislatures have suggested and enacted laws granting school teachers and administrators the right to carry firearms for self-defense, and as a deterrent to potential acts of violence against our most vulnerable population, K-12 public school children.
The purpose of this public policy dissertation is to offer insight into preventative measures established by individual states that act as a deterrent to violent acts, while also investigating how individual states prepare their schools to react to an active school shooter, for example, by being reactive rather than proactive. While examining these policies, the Constitutionality of the Gun-Free School Zones Act (1990) was tested through an analysis of the United States Court of Appeals, which holds jurisdiction over their regionally-assigned states, by examining caselaw rulings of these high courts. Emphasis was placed on United States v. Lopez (1995), which is the only case to date heard before the United States Supreme Court that involved the Gun-Free School Zones Act (1990).
After the validity and constitutionality of the Gun-Free School Zones Act (1990) was established, relevant laws from all 50 U.S. states were analyzed and compared. The following questions were used to guide this legislative analysis: Are guns allowed in K-12 public schools? Are individuals that possess valid permits allowed to carry concealed firearms in K-12 public schools? Do school boards and administrators have the authority to enact policies allowing their educators the right to carry firearms for self-defense, while engaged in their regularly assigned duties? Does state law permit the arming of school teachers and administrators? Are active and retired law enforcement officers permitted to possess firearms in K-12 public schools for school security?
This analysis concludes with recommendations for school boards and administrators, legislatures, and other stakeholders outlining the most viable solutions to securing our schools against active and potential school shooters
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The possible role of chromosome X variability in hypertensive familiarity
Familiarity participates in the pathogenesis of hypertension, although only recently, whole genome studies have proposed regions of the human genome possibly involved in the transmission of the hypertensive phenotype. Although studies have mainly focused on autosome, hitherto the influence of sex on familial transmission of hypertension has not been considered. We analysed the database of the Campania Salute Network of Hypertension center of the Federico II University Hospital of Naples (Italy), using dichotomous variables for paternal and maternal familiarity and gender (male and female) of 12 504 hypertensive patients (6868 males and 5636 females) and 6352 controls (3484 males and 2868 females), totaling 18 856 subjects. In the hypertensive group, familiarity was present in 75% of cases with odds of 3.77 and in only 26% of the normotensives with odds of 0.94. The odds ratio (OR) indicated that familiarity increases the risk of developing hypertension by 2.91 (95% confidence interval (CI)=2.67–3.17, P<0.001) times. Additionally, maternal familiarity was 37% (OR=3.01, 95% CI=2.66–3.41, P<0.001), paternal familiarity was 21% (OR=2.31, 95% CI=2.01–2.68, P<0.001) and the double familiarity was 17% (OR=3.45, 95% CI=2.87–4.01, P<0.001), thus suggesting a plausible association between maternal familiarity and development of hypertension; this finding was observed both in male and in female patients, although the phenomenon was larger in males. Given the dominance of maternal transmission in males, by genome-wide analysis of the X chromosome, we found two regions that were differently distributed in male hypertensives with maternal hypertension. Our data highlight the importance of genetic variants in the X chromosome to the maternal transmission of the hypertensive phenotype
The possible role of chromosome X variability in hypertensive familiarity
Familiarity participates in the pathogenesis of hypertension, although only recently, whole genome studies have proposed regions of the human genome possibly involved in the transmission of the hypertensive phenotype. Although studies have mainly focused on autosome, hitherto the influence of sex on familial transmission of hypertension has not been considered. We analysed the database of the Campania Salute Network of Hypertension center of the Federico II University Hospital of Naples (Italy), using dichotomous variables for paternal and maternal familiarity and gender (male and female) of 12 504 hypertensive patients (6868 males and 5636 females) and 6352 controls (3484 males and 2868 females), totaling 18 856 subjects. In the hypertensive group, familiarity was present in 75% of cases with odds of 3.77 and in only 26% of the normotensives with odds of 0.94. The odds ratio (OR) indicated that familiarity increases the risk of developing hypertension by 2.91 (95% confidence interval (CI)=2.67–3.17, P<0.001) times. Additionally, maternal familiarity was 37% (OR=3.01, 95% CI=2.66–3.41, P<0.001), paternal familiarity was 21% (OR=2.31, 95% CI=2.01–2.68, P<0.001) and the double familiarity was 17% (OR=3.45, 95% CI=2.87–4.01, P<0.001), thus suggesting a plausible association between maternal familiarity and development of hypertension; this finding was observed both in male and in female patients, although the phenomenon was larger in males. Given the dominance of maternal transmission in males, by genome-wide analysis of the X chromosome, we found two regions that were differently distributed in male hypertensives with maternal hypertension. Our data highlight the importance of genetic variants in the X chromosome to the maternal transmission of the hypertensive phenotype
The Recently Identified P2Y-Like Receptor GPR17 Is a Sensor of Brain Damage and a New Target for Brain Repair
Deciphering the mechanisms regulating the generation of new neurons and new oligodendrocytes, the myelinating cells of the central nervous system, is of paramount importance to address new strategies to replace endogenous damaged cells in the adult brain and foster repair in neurodegenerative diseases. Upon brain injury, the extracellular concentrations of nucleotides and cysteinyl-leukotrienes (cysLTs), two families of endogenous signaling molecules, are markedly increased at the site of damage, suggesting that they may act as “danger signals” to alert responses to tissue damage and start repair. Here we show that, in brain telencephalon, GPR17, a recently deorphanized receptor for both uracil nucleotides and cysLTs (e.g., UDP-glucose and LTD4), is normally present on neurons and on a subset of parenchymal quiescent oligodendrocyte precursor cells. We also show that induction of brain injury using an established focal ischemia model in the rodent induces profound spatiotemporal-dependent changes of GPR17. In the lesioned area, we observed an early and transient up-regulation of GPR17 in neurons expressing the cellular stress marker heat shock protein 70. Magnetic Resonance Imaging in living mice showed that the in vivo pharmacological or biotechnological knock down of GPR17 markedly prevents brain infarct evolution, suggesting GPR17 as a mediator of neuronal death at this early ischemic stage. At later times after ischemia, GPR17 immuno-labeling appeared on microglia/macrophages infiltrating the lesioned area to indicate that GPR17 may also acts as a player in the remodeling of brain circuitries by microglia. At this later stage, parenchymal GPR17+ oligodendrocyte progenitors started proliferating in the peri-injured area, suggesting initiation of remyelination. To confirm a specific role for GPR17 in oligodendrocyte differentiation, the in vitro exposure of cortical pre-oligodendrocytes to the GPR17 endogenous ligands UDP-glucose and LTD4 promoted the expression of myelin basic protein, confirming progression toward mature oligodendrocytes. Thus, GPR17 may act as a “sensor” that is activated upon brain injury on several embryonically distinct cell types, and may play a key role in both inducing neuronal death inside the ischemic core and in orchestrating the local remodeling/repair response. Specifically, we suggest GPR17 as a novel target for therapeutic manipulation to foster repair of demyelinating wounds, the types of lesions that also occur in patients with multiple sclerosis
The genome sequence of the European robin, Erithacus rubecula Linnaeus 1758
We present a genome assembly from an individual female Erithacus rubecula (the European robin; Chordata; Aves; Passeriformes; Turdidae). The genome sequence is 1.09 gigabases in span. The majority of the assembly is scaffolded into 36 chromosomal pseudomolecules, with both W and Z sex chromosomes assembled
The genome sequence of the European turtle dove, Streptopelia turtur Linnaeus 1758
We present a genome assembly from an individual female Streptopelia turtur (the European turtle dove; Chordata; Aves; Columbidae). The genome sequence is 1.18 gigabases in span. The majority of the assembly is scaffolded into 35 chromosomal pseudomolecules, with the W and Z sex chromosomes assembled
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