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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Consult the internet and find out how to make orally active protein pharmaceuticals. What is the major problem to be encountered?

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प्रश्न

Consult the internet and find out how to make orally active protein pharmaceuticals. What is the major problem to be encountered?

दीर्घउत्तर
लघु उत्तर
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उत्तर १

Orally active protein pharmaceuticals contain biologically active materials such as peptides or proteins, antibodies, and polymeric beads. The body administers it orally through various formulations. It involves encapsulating protein or peptide in liposomes or formulations using penetration enhancers. People use these proteins or peptides as vaccines and for the treatment of various diseases. However, the oral administration of these peptides or proteins presents several related challenges. Once ingested, the stomach juices’ proteases denature these proteins. This will nullify their effect. Therefore, it is essential to protect the therapeutic protein from digestive enzymes when it is taken orally. We inject the proteins directly into the target site to meet this requirement.

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उत्तर २

Proteinaceous drugs cannot be taken orally because they can be degraded by the proteases of our alimentary canal. To counteract this problem or to make an orally active protein pharmaceutical, it must be coated with a film that is resistant to protein-degrading enzymes.

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पाठ 10: Biotechnology and its Applications - EXERCISES [पृष्ठ १८७]

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एनसीईआरटी Biology [English] Class 12
पाठ 10 Biotechnology and its Applications
EXERCISES | Q 13. | पृष्ठ १८७
नूतन Biology [English] Class 12 ISC
पाठ 12 Biotechnology and Its Applications
NCERT EXERCISES WITH ANSWERS | Q 9. | पृष्ठ ५५६

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

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What is gene therapy? Illustrate using the example of adenosine deaminase (ADA) deficiency.


State the best-known contribution of P.K. Sethi


Why does Bt toxin not kill the bacterium that produces it, but kill the insect that ingests it?

 


Describe the role of primers.


The first clinical gene therapy was done for the treatment of ________.


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Mention the number of primers required in each cycle of PCR. Write the role of primers and DNA polymerase in PCR. Name the source organism of the DNA polymerase used in PCR.


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Which of the following is the correct sequence of steps in a PCR (Polymerase Chain Reaction)?


For effective treatment of the disease, early diagnosis and understanding of its pathophysiology is very important. Which of the following molecular diagnostic techniques is very useful for early detection?


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Can a disease be detected before its symptoms appear? Explain the principle involved.


Why is it that the line of treatment for a genetic disease is different from infectious diseases?


How is a mature, functional insulin hormone different from its prohormone form?


When a foreign DNA is introduced into an organism, how is it maintained in the host and how is it transferred to the progeny of the organism?


List the disadvantages of insulin obtained from the pancreas of slaughtered cows and pigs:


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Explain how recombinant human insulin was prepared in 1983 by Eli Lily an American company.


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Give a reason for the following:

Streptokinase is administered to the patients having myocardial infarction.


The diagram given below represents the schematic structure of proinsulin, which undergoes certain modifications before it becomes a fully functional insulin.

Study the diagram carefully and answer the questions that follow:

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Illustrate using any one example of transgenic bacteria.


In the recombinant production of humulin using Escherichia coli, which plasmid vector and bacterial gene are fused with the human insulin A and B chain sequences?


Which of the following describes the final step in the laboratory synthesis of biologically active humulin from isolated chains?


The first edible vaccine was developed in tobacco plants to express which specific antigen?


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