Thursday, December 26, 2019

Adjuvants In Vaccines - 1587 Words

The viruses that cause tumorigenic transformation produce oncoviral antigens. These antigens are recognized by the immune system as â€Å"non-self† because they are present on infected cells (Saxena and Bhardwaj 2017). Neoantigens, which are MHC restricted antigens, are produced by mutations in tumor cells so they are not found on all tumors. Because neoantigens are unique to the individual, vaccines that target these antigens need to be personalized (Saxena and Bhardwaj 2017). Finally, antigens that are over expressed significantly in tumor cells compared to normal cells are simply known as overexpressed antigens (Saxena and Bhardwaj 2017). Adjuvants in Vaccines Adjuvants are substances that can boost the immune system. They are extremely†¦show more content†¦Some New Adjuvants Nanoparticles are a recently developed type of adjuvant that help vaccines access the lymph nodes. These nanoparticles can allow the vaccine to be directly deposited into the lymph node, activating DCs and CTLs via intranodal injections. Nanoparticle vaccines may also reach the lymph node by lymphatic drainage. In the lymph node, CD8 CTLs are produced by cross-presentation of lymph node DCs (Saxena and Bhardwaj 2017). Nanoparticle vaccines could be vital for the future of cancer treatment. Another new type of adjuvants are self-polymerizing scaffolds. They incorporate TLR agonists and peptide antigens. This allows the molecule to remain water soluble at room temperature unlike TLR agonists. The scaffolds undergo temperature-dependent self-polymerization which makes immunogenic particles water soluble. These particles are drained to the lymph node where they activate DCs (Saxena and Bhardwaj 2017). Albumin binding agonists are effective because of the abundance of albumin in the blood and lymph. Vaccines with albumin binding agonists have TAAs with lipid tails that have a high affinity for albumin. Once bound, the vaccine is taken to lymph nodes. This vaccine type is known to safely advance CD8 CTL activation (Saxena and Bhardwaj 2017). Oncolytic viruses can also be used as vaccine adjuvants in oncolytic virus therapy, also known as virotherapy. This canShow MoreRelated##syl Lipid A ( GLA ) Adjuvants : Associated Antigen Portrayed In Fig1857 Words   |  4 Pagesprotective immunity that is required for an effective TB vaccine [12]. However, as is generally known, recombinant proteins are by themselves poorly immunogenic and need an adjuvant to stimulate adaptive immune responses. The Glucopyranosyl Lipid A (GLA) adjuvant is a synthetic Toll-like Receptor (TLR) 4 that is formulated as either a stable emulsion (GLA-SE) [13] or as a liposomal formulation containing QS21 saponin (GLA-LSQ). The adjuvants have been efficiently combined with the antigen for theRead MoreThe Search for an Alternative to Aluminium Based Vaccines1118 Words   |  4 PagesReported incidences of toxicity due to aluminium based vaccines have always been a concern (Clements, 1996; Clements and Griffiths, 2002; Edleman, 1997). Therefore, ther e has always been a constant effort to search for alternative adjuvants. Polymeric micro and nanoparticles can act as a delivery vehicle and along with their adjuvanting capabilities may enhance the efficacy of the vaccine (Gregory et al., 2013; Koping-Hoggard et al., 2005; Panyam and Labhasetwar, 2003). Biodegradable polymeric nanoparticlesRead MoreComparison Between Protective Antibody Response And Guinea Pigs Immunized With Wild Type ( Wt )1617 Words   |  7 PagesComparison of protective Antibody response in guinea pigs immunized with Wild type (Wt) BoHV-1 and ΔgE BoHV-1 mutant virus vaccine L.R.ANANTHAKRISHNA1*, MOHINI SAINI2, PRAVEEN K GUPTA3 and RIZWANA TABASSUM4 1Asst.Professor, 2, 3 Principal Scientist, 3Research Associate 1Department of Veterinary Physiology and Biochemistry; Karnataka Veterinary, Animal Fisheries Sciences University; Veterinary College, Vinobanagar, Shimoga- 577 204, India, 2Division of Biochemistry, 3 4Division of VeterinaryRead MoreSynthetic Muc1 Based Anticancer Vaccines1428 Words   |  6 PagesMore recently in 2011, Li and coworkers reported fully synthetic MUC1-based anticancer vaccines containing mono-, di- and tetravalent B-cell epitopes conjugated to TLR2 ligand (Figure 1.11).157 The B-cell epitope, MUC1 glycopeptide (HGVTSAPDT*RPAPGS*TAPPA) containing Tn and/or T antigen and TLR2 ligand, Pam3CysSK4 were prepared by solid-phase synthesis. Conjugation of MUC1 glycopeptide epitope and multivalent alkyne-functionalized lipopeptide (TLR2 ligand) was performed by using Cu+ catalyzed clickRead MoreRoutes Of Immunization And Effects Of Antigen Dose1248 Words   |  5 PagesThere are several standard methods of immunization and administering a vaccine via the correct route is a critical factor to the success of the immunization. Typically, vaccines are given intramuscularly, subcutaneously, by intradermal injection (the topmost layer of skin), orally, or intranasal via nasal spray. Vaccines containing adjuvants are usually given intramuscularly to help reduce adverse, local effects. Flu vaccines are often administered through a nose spray into the nasal passage. RecentRead MoreForgoing Vaccinations to Prevent Autism 1378 Words   |  6 Pagesafter famous celebrity Jenny McCarthy linked autism with measles-mumps-rubella (MMR) vaccination. Celebrity Jenny McCarthy stated that after her son got his shot of measles-mumps-rubella(MMR) vaccine, â€Å"Boom! Soul, gone from his eyes.(Bruni)† Her son was later diagnosed with autism in 2005. The vaccine given to the children contained live but sufficiently weakened or attenuated viruses to stimulate immune response. The capacity to stimulate immune response was from the ability of human immuneRead MoreThe Importance Of Vircines1108 Words   |  5 Pages2.3.3. Gene deleted vaccines The knowledge of specific virulence factor(s) of a pathogen and the availability of recombinant DNA technology has facilitated the creation of specific gene-deleted pathogens for use as live vaccines. The approach of creating and testing defined gene deletions ultimately aids in reducing the pathogenicity/virulence of the organism without affecting the immunogenicity. Such gene-deleted organisms can be used as vaccines as they retain the immunogenic features of the wild-typeRead MoreExplain The Mechanism Of RIG-I Recognizes Bacterial Ligands In Glial Cells?792 Words   |  4 Pagespathogens by glial cells is currently unknown. The experiments in this proposal will illustrate the contribution and the mechanism of RIG-I mediated bacterial recognition to antibacterial glial cell responses. RIG-I agonists have potential use as vaccine adjuvants. RIG-I recognition of double stranded RNA with a 5’ triphosphate group triggers an innate immune response characterized by cytokine, chemokine, and interferon production. RIG-I activation is important for the innate immune response to pathogensRead MoreAbstract: â€Å"Nanoparticle Vaccines†, An Article Written By1226 Words   |  5 PagesAbstract: â€Å"Nanoparticle vaccines†, an article written by Liang Zhao et al. condenses a large amount of information on the topic of nanovaccinology and presents that information in an organized and straightforward manner, however, it only scratches of the field and the lack of clarity relating to its audience can lead to it being confusing. The article could prove useful to a scientist possibly interested in doing research in nanovaccinology, however it would likely not be any new information forRead MoreA Brief Note On Lipid Based Delivery Systems1499 Words   |  6 P agesas have multichamber structure allow encapsulation and co-encapsulation of various therapeutics of different weight range with different solubilities. Biphasic systems are evaluated for many vaccine candidates including proteins, nucleotides, recombinant subunits and classical old inactivated or killed vaccines and now became applicable to purposes in human as well as in animals [150,148,149]. Baca-Estrada et al., [150] has shown topical delivery of hen egg lysozyme (HEL) and leukotoxin antigens in

Wednesday, December 18, 2019

Analysis Of Fresh Fruit, Broken Bodies By Seth Holmes

In the ethnographic text, Fresh Fruit, Broken Bodies, by Seth Holmes, Holmes describes his experience on enduring the living and working conditions of migrant workers. Seth Holmes’ social positions and identities helped bring the ethnography forward by showcasing the stories of Triqui migrant workers and how they suffer in everyday life because of the cycle of suffering. On the other hand, Holmes risks credibility and validity as the ethnographic text is taken from his point of view as a white man rather than a Triqui worker’s. As the author of the ethnographic text, Seth Holmes takes an in-depth look inside the lives of the Triqui workers and the problems they encounter in the face of racism and the social, political, and economic†¦show more content†¦As an anthropologist, Holmes discusses how the Triqui workers are structurally vulnerable in this way because of the structural, political, and economic factors forcing them to work under these conditions. As a white man, the contrast of how Holmes is treated compared to the Triqui workers shows the mistreatment Triqui people receive on a daily basis. When Holmes and his Triqui companions were at Burger King, they expected to receive an order with four large fries but instead, only received three medium fries, showing the mistreatment they received outside of a work setting. Holmes’ stated, â€Å"They explained to me that they could never do such a thing because they would not be given different fries and would likely get in trouble for asking. Samuel told me to go up to see what they would do {....} they gave us four large fries and apologized kindly-resentfully.† (37) Because of Seth Holmes’ race as a white man, he immediately notices that the cashier treated him fairly but treated the companions as if they were inferior and that they did not deserve to receive the respect that was given towards Holmes. From that point on, Holmes realized the the vast difference between his race and the amount of power he had versus the Triqui people who had no power to control situations like this. Because of the Triqui companions’ inferiority, they feel a sense of low confidence and fear to approach people that are higher on the economicShow MoreRelatedAnalysis Of The Book Fresh Fruit, Broken Bodies By Seth Holmes1841 Words   |  8 Pagesmigrants are forced to migrate to the United State in order to survive. They constantly risk their lives to cross a dangerous border in order to find the jobs that the American people don’t want to endure. In the book called â€Å"Fresh Fruit, Broken Bodies†, the author, Seth Holmes focuses on the lives of an indigenous Mexican group called the Triquis. Throughout the book, he focuses on the journey of the group from their hometown of Oaxaca to farms in California and Washington. The book also emphasizesRead MoreProject Mgmt296381 Words   |  1186 Pages Cross Reference of Project Management Bod y of Knowledge (PMBOK) Concepts to Text Topics Chapter 1 Modern Project Management Chapter 8 Scheduling resources and cost 1.2 Project defined 1.3 Project management defined 1.4 Projects and programs (.2) 2.1 The project life cycle (.2.3) App. G.1 The project manager App. G.7 Political and social environments F.1 Integration of project management processes [3.1] 6.5.2 Setting a schedule baseline [8.1.4] 6.5.3.1 Setting a resource schedule 6.5.2.4 ResourceRead MoreStephen P. Robbins Timothy A. Judge (2011) Organizational Behaviour 15th Edition New Jersey: Prentice Hall393164 Words   |  1573 Pageson Social Networking †¢ New section on Persuasive Communication strategies †¢ Discussion of how to frame messages for maximum impact †¢ Discussion of the effects of authority, expertise, and liking on communication effectiveness †¢ Updated discussion of body language in communication †¢ Introduces new ideas about the effects of electronic communications †¢ New Point–Counterpoint (Social Networking Is Good Business) †¢ New An Ethical Choice (The Ethics of Gossip at Work ) †¢ New Case Incident (Using Social Media

Monday, December 9, 2019

Long Journeys Begin With Baby Steps Essay free essay sample

, Research Paper The twenty-fifth day of remembrance of the Supreme Court determination that created a # 8220 ; constitutional right # 8221 ; to abortion is January 22, 1998.Even though abortions have been performed for many old ages, this controversial issue is still being debated among legion people. The competition between pro-choice and pro-life advocators has caused a great quandary in the United States. Many Americans have protested Bill Clinton because in 1993, he issued a series of executive orders and veto menaces which overturned a figure of pro-life policies. However, while these enormous arguments go on legion guiltless lives are being lost at the custodies of abortion. Abortion is any process for ending a gestation. In the instance Roe vs. Wade the tribunal allowed provinces to curtail abortions to the 3rd trimester, except where it is necessary for the saving of life or wellness of the female parent. However, in Doe V. Bolton the comrade instance to Roe vs. Wade the tribunal defined # 8220 ; wellness # 8221 ; to include all factors relevant to the wellbeing of the patient. Because of this wide definition of # 8220 ; wellness # 8221 ; the tribunal permits abortions right up until birth for about any ground. This is incorrect because by hebdomad 12 of the gestation all organic structure variety meats of the foetus are working. If the bosom is pumping blood throughout the organic structure, the babe is alive. I feel that killing any living being is slaying. There are assorted abortion techniques, but the most common is suction-aspiration. The abortionist inserts a hollow plastic tubing into the dialated womb. This tubing is attached to a suction machine, and when the machine is turned on the womb is emptied by suction. The suction tears the babe # 8217 ; s organic structure as it is being pulled through the hosiery. Because the process is so intense it causes great emotional and physical hurting for the female parent. There are legion physical hazards of abortion. During the process the patient can see intense hurting, harm to other variety meats, or in terrible instances decease. But, physical hazards continue after the clinic stopping points. Some have inordinate hemorrhage and infection that can do daze. Others may even hold parts of the babe left indoors. These hazards continue on for old ages. The adult female may hold jobs acquiring pregnant once more and if she does there is a higher hazard for tubal gestations, abortion, and premature births. However, for the bulk of abortion patients the physical lesion heals, but an emotional cicatrix remains. Beyond the physical hurting, the difficult world still exists that adult females suffer mental and emotional torment from abortion. Almost every adult female # 8211 ; whatever her age, background, or sexuality- has trauma at destructing a gestation. This is portion of a adult female # 8217 ; s ain life. If she destroys a gestation, sh vitamin E is destructing a portion of herself. Many recognize that they can non deny that something was physically being created inside them. This realisation and sorrow among legion adult females causes jobs in the deepest degree of her consciousness. They so feel that their ground for the abortion was non that of import. Reasons for abortion may change from gestation as a consequence of colza to a signifier of birth control. Some promiscuous adult females do non worry about birth control because they cognize that if they get pregnant abortion is easy available. If such an option was non offered it would coerce more adult females to utilize some signifier of birth control. However, victims of colza do non hold the option of birth control, therefore are frequently encouraged to hold an abortion. Rape is a really emotional subject, and people frequently feel that abortion is acceptable in these instances. However, the kids conceived through sexual assault besides hold a voice which needs to be heard. Every life regardless of how it was formed has value and a intent. It does non count how a kid begins, but who it will go. Pro-choice protagonists, nevertheless, have different sentiments. The chief statement of pro-choice people is the adult female # 8217 ; s right to take. But, how can anyone hold the right to take to kill another person? The lone existent pick in abortion is between a unrecorded babe and a dead babe. Many besides believe that if legal abortions are banned, adult females will fall back to endorse ally abortions. In 1972, the twelvemonth before the supreme tribunal legalized abortion, a sum of 39 adult females died from illegal abortions. However, the figure of maternal casualties go oning countrywide is in the high 100s. This figure does non include the legion babes losing their lives. Congress should make more to salvage the 1000000s of babes aborted each twelvemonth. The battle to stop abortion resembles the battle to stop bondage. The conflict against bondage was barbarous, and continued decennaries after the 13th, 14th, and 15th Ammendments became a portion of our Constitution. The conflict confronting the pro-life motion began long before the 1973 Roe vs. Wade determination and it may go on for old ages, but we show some marks of advancement after old ages of sorrow. And as you can see, I feel that the beginning of life is construct. Therefore, abortion during any portion of the gestation is the slaying of a kid, and every kid should hold a opportunity at life. If it is denied this opportunity we will neer know the joy and potency that these lost kids may hold provided the universe. Therefore, we must go on to work to alter the Black Marias and heads of the populace every bit good as those of the adult females in crisis gestations. Because if a foetus were non alive why would it turn? After all, long journeys begin with baby stairss.

Monday, December 2, 2019

Transcendentalism Essays (583 words) - Transcendentalism, Lecturers

Transcendentalism Transcendentalism is the belief that matters of ultimate reality transcend, or go beyond, human experience. Transcendentalist thinking began during the American Renaissance with writers like Ralph Waldo Emerson and Henry David Thoreau. However transcendental thinking did not begin with Thoreau and Emerson, but as Emerson called it, "it is the very oldest of thoughts cast into the mold of these new times." Transcendentalism is based on the ancient philosophy of Idealism, which originates with Plato, a well-known philosopher from ancient Greece. Transcendentalism is an appropriate way of thinking for the period known as the American Renaissance because it puts one into a state of mind that is more conducive to creative writing and thought. Transcendentalism is a lot to swallow, especially for many people of that time. Herman Melville totally captured the common man's reaction to the whole concept when he said, "what stuff all this is." It really takes a trained mind to grasp the concept of this spiritual world that Emerson describes. Many people do not believe in things that they cannot see, hear, touch, taste, or smell, so the extremely abstract concept of transcendentalism is totally out of their reach. However, for the people that can grasp this idea, it is very fulfilling. Transcendentalism makes people feel closer to God, in tune with nature, and gives a person a sense of self-worth. A major aspect of transcendental thinking is the individual defiance against the established orders of society. Henry David Thoreau conveys his feeling about this when he says; "That government is best which governs not at all." He believes that the ineptitude of the political leaders far out-weighs the amount of good that they could do. He also states that "They who have been bred in the school of politics fail now and always to face the facts." In this, he means that politicians ignore reality when it does not serve their purpose. This is true for modern times as all can see in the present political situation of the United States. Politicians are ignoring reality to serve their own personal and partisan agendas. The transcendentalists even went as far as to set up their own communities, the most famous of which, Brook Farm. Brook Farm, a self-governing, experimental community, lasted only six years, (the longest of all the transcendental communities), is where many famous authors of the American Renaissance call home for a part of their lives, and is even the setting for Nathaniel Hawthorne's Blithedale Romance. Hawthorne lived at the Farm for a little while, but left because he could not stand the highly intellectual and spiritual conversation. Brook Farm was a great outlet for these people to express their ideas and communicate with people who share those same beliefs without the fear of persecution by people that did not understand. The transcendentalist movement can and often is compared to another famous movement in American history, the"hippie" movement of the sixties. In many ways the "hippies'" movement paralleled the transcendentalists', and the "hippies" even form their own little communities, like Brook Farm, called communes. Both of these movements were important to help shape thinking, writing, and social ideals. The transcendentalist movement brings to the table an increased awareness of the world around oneself, with and a commitment to the spiritual aspects therein, and the "hippie" movement in the sixties gives Americans an increased awareness of their fellow man, with and emphasis on freedom and love. The transcendentalist movement has many good aspects to it that if applied today, could still teach everyone a few things about themselves and their lives. Plato, Emerson, Thoreau, and many others really did have a level of intelligence that transcended their contemporaries and the generations and generations after them.