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An Introduction To Creutzfeldt Jakob Disease Biology

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One of the diseases that has badly impacted the lives of people these yearss is Creutzfeldt-Jakob disease ( CJD ) which is a status that is fatal and rare which has impact on the encephalon of human being. CJD causes harm to the encephalon that gets worsened with the transition of clip. The patients diagnosed with the disease dice within one twelvemonth as people become immobile ( Solassol et al., 2006 ). CJD is normally caused by an unnatural protein known as prion. Before prion is understood, proteins’ map for organic structure must be clarified.

For every human being, proteins are of import for life and are present in organic structure of all living things. Every portion of homo’s organic structure has good composing of protein such as musculuss, hair, fingernails, castanetss, tegument, blood, organic structure variety meats and eyes. After H2O, protein is the 2nd most of import component of organic structure ( Belay et al., 2003 ).

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Harmonizing to LiveScience Staff ( 2012 ), protein is chiefly used for edifice, care and repairing of organic structure tissues ; it is present in assorted signifiers which perform many occupations in human organic structure and the construction of each protein determine its map.

The edifice blocks of proteins are long strings of amino acids which get folded and curled into complex three-dimensional forms which allow proteins to execute their occupation. Dr. Stanley B. Prusiner from the University of California i.e. San Francisco purified an agent which was infective made of alone sort of protein and referred to it as prion” in 1982 ; Nobel Prize in Physiology or Medicine was awarded to him in 1997 for find of Creutzfeldt-Jakob Disease ( CJD ) that was chiefly caused by prions.

Prions get accumulated in encephalon at much higher degrees that cause lasting harm to the nervus cells which cause assorted neurological symptoms. These infective atoms are different in behaviour from conventional bacteriums and viruses which can non be destroyed by exposing to heat and radiation. Even antiviral and antibacterial medical specialties have no effects on prions ; hence, soon, there is deficiency of valuable intervention for CJD ( Belay et al., 2003 ).

Understanding Creutzfeldt-Jakob Disease ( CJD )

Basically, CJD is a really rare signifier of deathly signifier of dementedness which can distribute fastly in the organic structure from encephalon. Prions are largely found in encephalon and are harmless ; when they are non given proper forms, they may hold effects that can be lay waste toing which can even assail encephalon, kill its cells and make holes or spreads in tissue of encephalon ( Ironside, 2009 ). Prion diseases have been found in both animate beings and worlds ; such diseases were in intelligence of mid 1980s along with Bovine Spongiform Encephalopathy ( BSE ) epidemic which was referred to as Mad Cow disease, it is a cattle disease. In worlds, it is known as CJD. The disease is found in approximately one to two people among million people worldwide.

Types of CJD

There are fundamentally two types of CJD i.e. Authoritative CJD and Variant CJD ( vCJD ). The three types of authoritative CJD are Sporadic CJD, Familial or familial CJD and Iatrogenic or Acquired CJD.

Sporadic CJD

More than 90 % of people diagnosed with CJD are enduring from this type of CJD and it is chiefly found in people aged in between 45 to 75. There are no specific symptoms for this CJD ( Shah et al., 2009 ) ; nevertheless, some early symptoms such as depression may be present but it can rapidly come on into confusion and jobs of memory which is normally observed in dementedness, followed by loss of balance and coordination along with progressive sightlessness ( Piouti et al., 2012 ).

Familial or Familial Creutzfeldt-jakob Disease

Familial or familial CJD is one of the rare familial status in which the individual’s cistrons are inherited from one parent who causes the protein to acquire mutated into a prion in ulterior phases of life that trigger the symptoms of CJD. In other words, it appears in households that have unnatural cistron. About 7 % of instances have this type of CJD. In order to name it, blood trial is done ; individual holding this unnatural cistron has 50 % opportunity of conveying it to kids. The other rare signifier of this CJD are Fatal Familial Insomnia ( FFI ) and Gerstmann-Straussler-Scheinker ( GSS ) ; both of these are seldom found in people ( Brand et al., 2006 ). It occurs in people who have age of 50 old ages.

Iatrogenic or Acquired CJD

This type of CJD is seldom found in people as it is found in those people who get CJD while inadvertent transmittal that takes topographic point during a medical process like corneal transplants, instruments in neurosurgery, human pituitary endocrine therapy or human dura-mater transplants ( Mayo Clinic Staff, 2010 ).

Variant CJD

Peoples holding mean age of 28 old ages are found to be enduring from Variant CJD. It is normally developed from eating of beef that was infected with BSE. It can even happen with blood transfusion in which variant CJD is transmitted from one individual to other. Once the symptoms are identified, the disease spreads rapidly in the organic structure ( Tattum et al., 2010 ).

Signs and Symptoms of CJD

In many of the instances, authoritative CJD looks similar to assorted other dementedness ; the disease comes on fastly and so declines the ability of thought as symptoms start looking. Some of the most normally found symptoms are that the individual may hold swings in temper, jobs related to memory, involvement absence and non acting like oneself, holding trouble while walking such as maintaining balance, dementedness rapid patterned advances such as loss of memory and other thought capablenesss, jobs in vision such as sightlessness, stiffening of limbs, jerking or dorks in musculuss, feeling of awkwardness, talking job such as thick address, trouble in get downing and akinetic muteness in which individual can travel eyes and look to be watchful but can neither travel voluntarily or talk ( Espinosa, Bensalem-Owen, & A ; Fee, 2010 ; Sikorska et al., 2004 ).

However, people who are in CJD’s ulterior phases face jobs such as losing consciousness as it can be seen in assorted neurological scrutinies. While the disease in the early phases, CJD patients are scared and it can be a distressful state of affairs for them ; it is normally associated with hallucinations that are ocular which means seeing things that are non present at that place which might develop uncomfortable feeling in them ( Andrews, 2012 ).

Peoples who are enduring from sporadic CJD normally live than 12s months after the visual aspect of marks and symptoms ; the maximal life is two old ages. Before decease, some people fall into status of coma ; the chief grounds of decease are bosom failure, pneumonia or respiratory failure such as take a breathing job ( Rossetti & A ; Dunand, 2007 ). Among the most common symptoms found in Variant CJD people are alterations in behaviour, depression, backdown from societal assemblages, trouble in walking, dementedness that is progressive, unable to make motion or speak and hurting and uneven sort of esthesis in limbs or face ( LiveScience Staff, 2012 ).

Causes of CJD

Harmonizing to surveies of Ironside ( 2009 ) and Tattum et Al. ( 2010 ), CJD is caused by slow virus or other little beings. The agent that causes this disease has several features which are different from viruses and bacterium’s. The beings are hard to kill as they do n’t hold familial information on them in the signifier Nucleic acids such as Deoxyribonucleic acid or RNA and has long period of incubation before symptoms are made seeable. However, it has been found that it is largely caused by prion proteins that can happen in both normal and infective signifier. The normal signifiers have same forms as that of aminic acids but infective 1s differ in their forms from normal proteins. Once they appear, unnatural 1s start to acquire aggregated which start impacting the encephalon. Merely 5-10 % instances are inherited 1s that arise either from mutant or alterations in cistron which are responsible for commanding the formation of normal prion proteins.

Diagnosis of CJD

CJD is hard to name particularly when it is in its initial phases ; there is no specific trial available for naming in populating individual. Merely manner to do certain that individual had CJD is by analyzing the tissue of encephalon after his decease. However, there are some other trials and processs can be used for diagnosing of the disease such as medical history scrutiny as it will assist physicians in larning the individual’s symptoms and marks when they get started as CJD gets dispersed rapidly ; Magnetic Resonance Imaging ( MRI ) in which encephalon’s image is taken to place the difference between assorted types of CJD ; Computerized Tomography ( CT ) scan in which encephalon’s image will be taken to name the disease ; Puncture of Lumbar which means taking unstable signifier the spinal column of a individual by utilizing syringe and a needle, it is done to place the infections of encephalon ; blood trials to place if there is any opportunity of familial CJD ; Electroencephalogram ( ECG ) in which electrical activity of encephalon is measured and encephalon necropsy in which tissue of encephalon is examined after individual’s decease ( Puoti et al., 2012 ; Shah et al., 2009 ).

Treatment for CJD

Up till now, there has been no success in developing right intervention for CJD. The research workers have done legion trials with many drugs such as steroids, antiviral agents, antibiotics, amantadine, Zovirax and many more but they have non been able to happen perfect remedy for this disease ( Puoti et al., 2012 ). Some surveies are still in patterned advance to develop appropriate intervention for patients but none of them have been successful in profiting the human existences.

The intervention for CJD that is being followed by assorted physicians is aimed at relief of symptoms and seeking to do the persons every bit comfy as the experts can make so that they have the will power of contending against the disease. Some of the opiate drugs can alleviate hurting when people suffer from it but the drugs such as Sodium Valproate and Clonzaepam decidedly help in relieving of myoclonus. When the disease is in ulterior phases, place of individual is changed often so that he gets comfy and pressure sores can be prevented. For run outing piss, a catheter can be used as it helps in commanding the map of vesica and unreal eating can besides be used.

Precautions for CJD

Although there are opportunities that CJD gets transmitted by being careless during medical processs but still people need to take attention of assorted things that can assist them in remain protected from this disease. CJD is non a contagious disease that can be transmitted either by societal or sexual contact or via air or eating, touching or even taking attention of individual enduring from CJD at place. some of the basic precautional steps that need to be followed are rinsing custodies either before feeding or imbibing, covering lesions or cuts with patchs that are rainproof, protecting face and custodies from being unmaskings to blood or fluids of organic structure of individual who is affected by this disease and taking particular attention in blood transfusions so that CJD infected individual does non give his blood.

In order to avoid variant CJD, beef from selected states should be eaten ; states that have high hazard of TSE are more vulnerable to put on the line. The lone options available for avoiding this type of CJD are either to eat beef from states that emphasize on rigorous ordinances on its quality and avoid eating parts of cowss that have high hazards such as spinal cord, bowels, encephalon and eyes.

Decision

Creutzfeldt – Jakob disease ( CJD ) is among the fastest turning disease that is being faced by many people worldwide. It has become of import for research workers to place right class of intervention for this disease so that patients can acquire full recovery. In order to do certain that people who have familial CJD are given appropriate intervention before symptoms start to go seeable, it is of import that people get their blood trials done at regular intervals. When any of the marks and symptoms is observed in people, it is advised that they contact a physician instantly who can guarantee that right trials are done for designation of this disease.

Still, the research workers have to make extended work for placing the chief causes of CJD along with developing a remedial solution. Among all the available options, the best 1 is to reach any well-known physicians who are specialist in neurology who will take the patient in right intervention method. Hence, everyone demands to do certain that they have complete information about this disease so that they can confront it with finding and strong will power.

Cite this An Introduction To Creutzfeldt Jakob Disease Biology

An Introduction To Creutzfeldt Jakob Disease Biology. (2016, Dec 07). Retrieved from https://graduateway.com/an-introduction-to-creutzfeldt-jakob-disease-biology/

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