Factors affecting immunity ppt

Cellular factors in innate immunity metichinkoff 1883 cells called as phagocytic cells microphages, macrtophages microphages polymorphonuclear neutrophils macrophages histiocytes wandering amoeboid cells monocytes in blood cells in reticuloendothelial system these cells remove foreign particles 44 dr. Start studying factors affecting susceptibility to infection. As age increases, immunity levels also decrease, as does the ability the person has to make full use of antioxidants. At more risk are the very young and old hormonal influence on resistance ex 1. Immunity, or resistance of the herd to disease, is affected by many factors. In this report we will present theories and experimental findings from our laboratory and others on the subject of the interaction between genetic and environmental factors affecting longevity, focusing on the immune system as a major interface between genetic aging programs and the environment. This information has provided a powerful basis for predicting the influence of pharmacological and pathological interventions upon. Natural factors affecting the ageing of the immune system and their elimination immunosenescence due to deregulated immunity 7 is a very complex process and remains to be fully understood 1. Factors affecting communicable disease transmission.

Gender affects cytokine responses, resulting in disease susceptibility differences. It is the slowest of these reactions that determines the overall rate of photosynthesis. Mild stress can be a very a good thing for the body. Immunity is the reasonable state of having adequate biological defenses to fight against infection, disease or other unwanted biological seizure, while comprises ample tolerance to avoid inflammation, allergy and autoimmune diseases, and it is the capability of the body to resist harmful microorganisms or viruses. Drugs affecting the immune system free download as powerpoint presentation. Factors affecting bmi assessment of the effect of sociodemographic factors on bmi in the population of ghulam mohammad abad faisalabad. People over 40 are progressively more susceptible to faster rates of fibrosis. Antigen and factors affecting immunogenicity learn.

A comprehensive assessment of environmental and host factors influencing. Immunity to intracellular bacteria by cmi bacterial virulence factors. In foetus immune system is immature, in old age there is gradual waning of immune system e. Scribd is the worlds largest social reading and publishing site. Virulence factors are anything that bacteria use to cause disease. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Malarial infection in famine stricken may not induce fever but once their nutrition improves, clinical malaria develops. Factors affecting the immune system by piper mcwilliams on prezi. The scope is genetic aspects of various dental factors affecting dental caries. Factors influencing innate immunity and vaccine responses in. The factors that most affect our immune system sciencedaily. Jun 19, 2015 in addition to hostspecific maturation of innate immunity, other factors are likely to influence the magnitude and quality of immune responses in infants, as summarized in figure 1.

The factors that most affect our immune system news from. Being physically active has been shown to have a positive effect on childrens immunity through reduction in inflammatory substances and increase in noninflammatory substances 4. Pdf introduction to the immune system researchgate. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. What factors can help or hinder the likelihood that we will contract a disease.

Able to compare between tindependent antigen and t dependent antigen. Our age, sex, infection history, and genetics can affect our immune system and make us more prone to disease. Environmental factors affecting immune responses in crustacea. The influencing factors powerpoint template provides editable diagram slides depicting an arrow passing through loops, with placeholders for adding your own text. Susceptibility of vaginal epithelium in prepubertal girls to gonococcal infection.

Another cause of disease can be toxicity, for example exogenous, and endogenous toxicity. Factors affecting and complications of wound healing new. Normal ageing is determined genetically, but several external factors might affect immunosenescence positively or negatively. Environmental and genetic factors that influence immunity and. Factors affecting the antibody production immunosupressive agents inhibit the immune response essential to prevent graft rejection in transplantation x rays. Study 21 terms factors affecting susceptibility to. Assessment of the effect of sociodemographic factors on bmi in the population of ghulam mohammad abad faisalabad.

Genotype species individual responders vs nonresponders 7. The pubmed database was searched for articles with keywords caries, genetics, taste, diet and twins. Chapters 14 and 15 principles of disease and epidemiology normal microbiota etiology of infectious disease patterns of disease spread of infection a free powerpoint ppt presentation displayed as a flash slide show on id. May 23, 2011 the herd effect or herd immunity is an attractive way to extend vaccine benefits beyond the directly targeted population. Drugs affecting the immune system vaccines public health. Factors influencing innate immunity and vaccine responses. And as people age, the environments impact on immunity grows stronger, the scientists now report. Acquire more immunity but are susceptible to infectious diseases such as mumps and measles if unvaccinated. Studies show people who lack adequate sleep those getting 6 hrs or less or shift workers are far more prone to the common cold and flu. Proteins, glycolipids, carbohydrates, teichoic acids, peptidoglycan, metabolites, enzymes, toxins.

Factors in the development of allergic diseases geographical distribution environmental factors climate, air pollution, socioeconomic status genetic risk factors hygiene hypothesis older siblings, day care exposure to certain foods, farm animals exposure to. Introduction the specific reactivity induced in a host by an antigenic stimulus is known as immune response protection against invading mco it may lead to consequence which may be either beneficial, indifferent or injuriousbeneficial, indifferent or injurious the immune response can be of 2 types humoral. Breastfeeding, the immune response, and longterm health. Factors affecting susceptibility to infectionstudy. Heme iron is well absorbed and relatively unaffected by other factors. So, let your child play games, run and jump around, in the process fortifying them with the ability to.

Key factors known to influence early infant immunity and responses to vaccines. The handling of animals, the housing single or in groups, the type of the cage and the bedding materials are important factors. Lifestyle factors malaria is an infection that is predominantly spread in certain geographic regions with a tropical climate and an abundance of still water, where the mosquito vector that carries the parasite can survive. Species immunity species resistance is that in which a disease affecting one species does not affect the other species.

Jul 16, 20 a lesson on discovering what factors, multiples and primes are. Pekerjaan factors affecting immunity ppt, pekerjaan. Factors effecting our bodies natural immunity to disease most modern maladies are caused by prolonged exposure to a combination of negative lifestyles and toxic environmental factors, including junk food and malnutrition, pesticides, antibiotics, microwaves, chemical pollution of food, water and air, lack of exercise and chronic stress. When working optimally, the immune system can prevent sickness when were exposed to germs. A complex range of immune cells attack invading organisms whilst antibodies swiftly mount an immune response building up our immunity to. Immunity depends on many factors affecting the ability of an. Factors affecting the renal excretion of drugs stephen hall. This variability in immune responses is likely affected by factors already known to influence disease prevalence such as age, gender, and seasonality. Role of iron in human health university of pittsburgh. Immunity to bacterial infections bacterial diseases.

Factors associated with treatment animal husbandry animal husbandry and a variety of social factors can modify toxicity of chemicals. It refers to the indirect protection of unvaccinated persons, whereby an increase in the prevalence of immunity by the vaccine prevents circulation of infectious agents in susceptible populations. Host and environmental factors influencing individual human. Mantoux test done for tuberculosis becomes negative in severe protein deficiency. Noninfectious vaccines include killed, toxoid, subunit and. Deficiency can be a cause of disease when we are deficient in nutrients,physical and emotional rest,sunlight,fresh air and stress in life. The herd effect or herd immunity is an attractive way to extend vaccine benefits beyond the directly targeted population. Many people ignore stress but it has a major influence on our immune system. Causes of disease a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a. Impede the function of lymphocytes and granulocytes. Why do we respond differently to infections or vaccines. Factors affecting the immune system what are vaccines.

Natural factors affecting the ageing of the immune system and their. Environmental factors affecting immune responses in. Marine crustaceans are under the influence of numerous environmental factors. Following the relatively limited exposure to antigens in utero, the neonate will rapidly transition to a state of colonization of internal and external surfaces with bacteria, some of which are potentially pathogenic. Alphonse laveran 18451922 andre lwoff 19021994 charles nicolle 18661936 daniel bovet 19071992 francois jacob 192020. Environmental effects on insects and their population dynamics. Assessment of the effect of sociodemographic factors on bmi in. Burden of vbds vectorborne diseases account for more than 17% of all infectious diseases, causing more than 7,00,000 deaths annually. The template has been designed in such a way that it provides slides with both horizontal and vertical loops, starting from a single loop slide to a five loop slide.

This section is from the health and survival in the 21st century book, by ross horne. Substances that enhance an immune response to an ag. This information has provided a powerful basis for predicting the influence of pharmacological and pathological interventions upon drug dosing regimens. Transition from the in utero environment to a world full of pathogens and maturation of immune pathways shortly after birth. Certain factors like thermal affect is changing the status of pest by suppressing or stimulating genetic potential, rate of fecundity and mortality and range of hosts 21, 46. The new study found that those environmental factors can influence immunity more than our genes do. Factors influencing the level of innate immunity age very old or very young more suscpetible to infectious disease. Jun 02, 2017 factors affecting photosynthesis a limiting factor limits the rate at which a process can take place. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Systemic factors age drugs vitamins trace elements 5. For convenience, humans do not contract cattle plague, chicken cholera, hog cholera, infectious horse anaemia, etc. Factors in the development of allergic diseases geographical distribution environmental factors climate, air pollution, socioeconomic status genetic risk factors hygiene hypothesis older siblings, day care exposure to certain foods, farm animals exposure to antibiotics during infancy cytokine milieu. But things around us such as bacteria and viruses also can influence that offsprings development. Immunity depends on many factors affecting the ability of an organism to invade tissues and produce chemical toxins, which do the real damage to an animals system.

Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Human breast milk also contains numerous protective factors against infectious disease and may influence immune system development, as noted in previous studies of infant response to vaccination and thymus gland development. Exogenousoriginating from outside, derived externally. Environmental and genetic factors that influence immunity. The way we manage, react and deal with stress is the most significant factor in how stress affects our body. This is due to the decrease in blood flow within the liver that occurs as people get older meaning the liver is not operating at its optimum level.

Immunosenescence affects both the innate and adaptive immunity. Ppt nutrition and immune function powerpoint presentation. Antigen ag, epitope or antigenic determinant and antigenicity immunogen, immunogenicity. Ppt normal microbiota powerpoint presentation free to. Your immunity soldiers are affected reduced natural killer cell activity, suppressed interleukin2 production and increased levels of circulating proinflammatory cytokines this is all bad news for your immune system. Vaccine factors veterinary vaccines whether attenuated or noninfectious from the different manufacturers can vary in their potency, efficacy and duration of immunity. Antigens types and factors affecting the immunogenicity. Lifestyle factors can play a role in whether or not you are likely to. Innate immunity can be divided into species, racial, and individual immunity. Attenuated vaccines tend to induce stronger and longlasting immunity than noninfectious vaccine. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Factors affecting the immune system by piper mcwilliams on. Processes such as photosynthesis are made up of a series of small reactions. Examples of immune systems occur in multicellular organisms as simple.

The task of identifying these factors that regulate our immune system has become the main challenge facing precision medicine, a proposed medical model aimed at offering patient treatments tailored to individual needs. Breastfeeding provides unsurpassed natural nutrition to the newborn and infant. Hopefully follows a fairly logical process, with a quite difficult activity to end on. The objectives of this matched casecontrol study in a veterinary teaching hospital were to investigate the influence of signalment and historical data on the odds of occurrence of canine parvovirus cpv enteritis and the potential usefulness of the clinical signs and clinicopathologic abnormalities recorded on admission as prognostic indicators of mean duration of hospitalization doh and. Factors affecting the occurrence, duration of hospitalization. Medical researchers have recently described immune variation on a large scale within. Antigen and factors affecting immunogenicity november 21, 2017 acharya tankeshwar immunology 2 t he substance that induce a specific immune response and subsequently react with the products of a specific immune response is called antigen it is more appropriately called as immunogen. Factors effecting our bodies natural immunity to disease. It is influenced to some extent by the bodys iron stores. Cattle can acquire resistance to a disease either through passive immunity or an active triggering of the immune system. Differences in susceptibility to immunemediated diseases are determined by. Environmental and genetic factors that influence immunity and longevity in mice.

The iron in meat is approximately 40% heme iron and 60% nonheme iron. Start studying factors affecting communicable disease transmission. For some organs, particularly the liver, a quantitative understanding of the effect of physiological and pathological factors upon organ clearance has emerged. Tinea capitis caused by microsporum audouinii, spontaneous cure with onset of puberty.

The immune system in a broad sense is a mechanism that allows a living organism to discriminate between self and nonself. First, the natural environment changes according to daily or seasonal rhythms that the intertidal organisms undergo. Introduction the specific reactivity induced in a host by an antigenic stimulus is known as immune response protection against invading mco it may lead to consequence which may be either beneficial, indifferent or injuriousbeneficial, indifferent or injurious the immune response can be of 2 types humoral mediated. Immunity list of high impact articles ppts journals. A lesson on discovering what factors, multiples and primes are. This is a calculated risk, since diminished ac cessory cell function may partially mask immune response given their.

Factors affecting photosynthesis a limiting factor limits the rate at which a process can take place. Abiotic factors anthropogenic and natural environmental variations are voraciously affecting the arthropods with the passage of time. The antibacterial peptides represent an important aspect of innate immunity in shrimp. Five factors that affect the immune system kemin industries. The factors that most affect our immune system institut pasteur. Natural diet, happiness and serenity, high morale, a positive attitude, adequate rest. Challenge is the amount of infective organisms an animal is faced with.