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05/12/2022 11:11 AM

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“The Knowledge Library”

Knowledge for All, without Barriers…

 

An Initiative by: Kausik Chakraborty.
सदव्यवहार का जादू🟢पैरों के निशान🟢The HOPE Experiment....🟢जुड़वा भाई🟢लकड़ी का कटोरा🟢"मौन की महत्ता" : एक बोध कथा🟢Handling Anger🟢Biology Objective Questions On Different Branches🟢Cell Biology Objective Questions (कोशिका एवं कोशिका विभाजन का वस्तुनिष्ठ प्रश्न)🟢Objective Questions and Answers: Animal Tissue(जन्तु ऊतक) 🟢Objective Questions and Answers Digestive system(पाचन-तंत्र) 🟢Objective Questions and Answers Human Blood (मानव रक्त) Part-1🟢Objective Questions and Answers Human Heart (मानव हृदय) 🟢Objective Questions and Answers Excretion system (उत्सर्जन तंत्र) 🟢Objective Questions and Answers Nervous system (तंत्रिका तंत्र) 🟢Objective Questions and Answers Skeleton system (कंकाल तंत्र)🟢 Objective Questions and Answers Endocrine system (अंतःस्रावी तंत्र)🟢Objective Questions on Mineral Resources of India and World (भारत और विश्व के खनिज संसाधन)🟢MCQ On Energy Resources (ऊर्जा संसाधन वस्तुनिष्ठ प्रश्न)🟢Objective Question on Industry of India (भारत के उद्योग)

“The Knowledge Library”

Knowledge for All, without Barriers……….
An Initiative by: Kausik Chakraborty.

The Knowledge Library

What is Stem Cell Research?

Stem cells are those that don't have a specific purpose.
Stem cells are those that don’t have a specific purpose.
A stem cell is a cell in a living body with the potential to develop into different types of cells during the early stage. Most cells in a living organism are differentiated cells, meaning they are found in a specific organ and perform particular functions. Red blood cells, for example, are specifically designed to transport oxygen through the blood. Human beings start out as a single cell known as a zygote, which is a fertilized egg. The zygote undergoes cell division into two, then four, eight, sixteen, and so on. The cells begin to differentiate and specialize in specific functions in the body as the zygote develops. The cells that haven’t acquired specific purpose are known as stem cells; they can replicate indefinitely unlike differentiated cells that begin to break down after replicating. Once a stem cell divides, it remains as a stem cell or turns into a differentiated cell. This makes them especially intriguing for scientific research.

Types of Stem Cells

There are two types of stem cells: embryonic and adult stem cells. Embryonic stem cells are derived from embryos developed through in vitro fertilization in a fertilization clinic. The fertilized eggs are then donated for research purpose with the consent of the donors. Embryonic stem cells develop into specialized cells as the embryo develops. Adult stem cells are found among differentiated cells in an organ or tissue. Their main functions are to repair and maintain the tissue. Unlike embryonic stem cells that are produced by the embryo, researchers are still trying to understand the source of adult stem cells.

Properties of Stem Cells

Stem cells have three distinct properties regardless of their source; they replicate and renew themselves infinitely, they are unspecialized, and they give rise to differentiated cells. Unlike a nerve cell, blood cells, or muscle cells, stem cells can proliferate. Research conducted in laboratories have revealed that stem cells can yield millions of unspecialized cells with the properties of the parent stem cell.

Stem Cell Research

The properties of stem cells make them excellent and intriguing candidates for research. The embryonic human stem cells provide information concerning the complex process that occurs during the development of life. The primary objective of the research is to understand how undifferentiated cells end up with specific functions. Human stem cells are used to test new drugs and observe how a human body would respond to the medication. Stem cells are also helping researchers study diseases such as cancer and diabetes and how they can be treated. The immediate potential application of stem cell research is the generation of tissues and cells that replace organs once destroyed or removed. A breakthrough would eliminate the dependency on organ transplant, but instead, patients would receive stem cells that would generate the organ. Preliminary research in rodents shows that transplanted stem cells from the bone marrow can generate heart muscle tissues and repair the heart. A bone marrow transplant is already being used as a treatment for some form of cancer in humans.

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