Stem Cell Banking and importance of HLA

Cord blood, which contains powerful stem cells, comes from a newborn’s umbilical cord and is collected immediately after birth. Once the umbilical cord has been clamped and cut, the remaining blood in the umbilical cord is drawn into a collection bag, which is then processed and preserved at -196 degree Celsius.

What makes cord blood cells different?

Cord blood stem cells are biologically younger and are more adaptable compared to adult stem cells from other sources like bone marrow. When saved, they have unique qualities and advantages:

Comparison of Stem Cell Sources Newborn Adult Embryonic
Ability to differentiate into various cell types
High proliferation capacity
Low risk of tumor formation
Low risk of viral contamination
Capacity for autologous transplantation
Established / proven treatment in human patients

 

Stem cells can heal the body, promote recovery, and offer an enormous amount of therapeutic potential. Preserving cord blood stem cells “stops the clock” and protects the stem cells from aging and being exposed to environmental factors and common viruses that can decrease their function.

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The effectiveness of cord blood stem cell therapy depends on many factors, with one of the most important being stem cell matching. Doctors determine stem cell matching based on human leukocyte antigen (HLA) markers. Passed down from parents to their children, these markers act like cell fingerprints, letting the immune system know which cells belong in the body and which cells are foreign to it. If a patient’s HLA markers exactly match those of the new stem cells being introduced, the patient’s body will readily accept the cells. If the HLA match is close but not perfect, chances are still favorable that the patient’s body will accept the cells. By storing cord blood from each child, parents can increase the chance of finding the best source for a match.

HLA means Human Leukocyte Antigens, which are found on the surface of various types of nucleated cells in the human body. In the human anatomy, they are akin to an “identity card”, inherited from one’s parents and could distinguish “self” and “nonself”, through which the wholeness of an individual can be maintained. Briefly, there are 6 HLA types: A, B, DQ and DR. Out of which A, B and DR play a critical role during cord blood transplants.A cord blood transplant is just as effective at curing patients with only a 4 out of 6 match (67% match) between donor and patient whereas for bone marrow transplant the patient and donor must match at all 6 parameters (100% match).       The best potential for an HLA match is within the family. Each person inherits one A, B, DR antigen from each parent. Thus, we have 2 HLA-A antigens, 2 HLA-B antigens and 2 DR antigen which make up total 6 anitgens. In case of a Cord Blood Transplant 4/6 is a suitable match.

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When an unrelated donor is sought the number of potential HLA combinations becomes so enormous that finding the patient’s exact HLA type may seem like searching for a needle in a haystack. HLA helps to understand the acceptance and recovery after transplantation on two factors

  • Engraftment – Engraftment occurs when the donated cells that were transplanted begin to grow and make new cells.
  • Graft-Versus-Host Disease (GVHD)-A post-transplant complication, GVHD occurs when the immune cells from the cord blood (the graft) attack the patient’s own immune cells.

Considering the benefits of cord blood stem cells, need of stem cell banking and importance of HLA at the time of preservation, it is recommended for to-be parents to wisely choose a stem cell bank that provides HLA Typing service at the time of preservation. Saving your child’s cord blood is an investment towards your family’s future health; thus, its benefits cannot be measured in financial terms.  However, if one must make economic justifications, the cost of storing cord blood and tissue pales in comparison to the many expenses associated with raising a child today, such as the cost of child care and education. The potential return on investment in stem cell banking is paramount as it can save the lives of your loved ones.

Umbilical cord blood banking in India is emerging at very high pace and parents are realizing the potential of cord blood in curing previously incurable diseases. To know more about stem cells and umbilical cord blood banking in India visit – www.babycell.in

Tests and Services To Look Out For While Opting For Stem Cell Banking

There are a number of things that need to be kept in mind while opting for stem cell banking such as cryopreservation facility, location, cost, collection and transportation facility. Over and above the basic services one must also ensure they choose a stem cell bank is transparency in providing the complete detailed reports of all the tests performed such as sterility, CD34 cell count, viability CFU, HLA Testing and more.

Stem cell banking benefits:

Storing these cells can help you treat over 80 diseases including cancers, blood disorders, and immune disorders. Stem cells also have the ability to rebuild cardiac tissue, repair damage due to stroke or spinal cord injuries, reverse the effects of diseases such as multiple sclerosis, Alzheimer’s and Parkinson’s, and much more. As a result, cord blood banking is worth spending for. Below is a list of tests and services you must look for:

Sterility Test: Sterility Test detects any kind of aerobic and anaerobic microbial contamination in the cord blood and cord tissue. Helps to ensure micro-organism and contamination free cord blood and cord tissue which can be used in future transplantation.

 

Stem Cell Count: Stem cells happen to be Mono-Nuclear Cells or MNC: when you look at them under a microscope there is only one nucleus. Unfortunately, one of the most difficult aspects of stem cell biology is that you can’t identify a stem cell just by looking at it.  There are other types of blood cells which are also MNC, such as nucleated red blood cells.  The only proof that a cell is a stem cell comes from how it behaves when it multiplies. Stem Cell Count test is done to determine the number of stem cells in the isolated fraction of cord blood cells. Stem Cell Count aids the hematologist in determining the treatment plan for stem cell transplantation.

 

CFU: Stem cells have the ability to differentiate, but how do you evaluate this ability? The answer to this is CFU test. This test is a two-week lab test that lets you estimate the cell potency. In the CFU test a small portion is observed under controlled conditions to see if stem cells differentiate to form colonies.  Earlier it used to be a subjective measure, but recently it has been standardized with technology to image the cells and count colonies in the image. During the test it takes 14 days for colonies to grow, therefore it is advised to perform the test at the time of preservation. As per US. Dept. of Health and Human Services and their prescribed guidelines CFU evaluation is a must at the tim

e of preservation as it determines potency, differentiation capacity and actual utility of stem cells. Babycell™ is the only stem cell bank in India that performs the CFU assay at the time of preservation and provides the test results along with client’s Cryopreservation Certificate.1

 

HLA testing and its importance:

HLA means Human Leukocyte Antigens, which are found on the surface of various types of nucleated cells in the human body. In the human anatomy, they are akin to an “identity card”, inherited from one’s parents and could distinguish “self” and “nonself”. Briefly, there are 6 HLA types: A, B, DQ and DR. Out of which A, B and DR play a critical role during cord blood transplants. A cord blood transplant is just as effective at curing patients with only a 4 out of 6 match (67% match) between donor and patient.

The best potential for an HLA match is within the family. Each person inherits one A, B, DR antigen from each parent. Thus, we have 2 HLA-A antigens, 2 HLA-B antigens and 2 DR antigen which make up total 6 anitgens. In case of a Cord Blood Transplant 4/6 is a suitable match.

When an unrelated donor is sought the number of potential HLA combinations becomes so enormous that finding the patient’s exact HLA type may seem like searching for a needle in a haystack. HLA helps to understand the acceptance and recovery after transplantation on two factors

  • Engraftment – Engraftment occurs when the donated cells that were transplanted begin to grow and make new cells.
  • Graft-Versus-Host Disease (GVHD)-A post-transplant complication, GVHD occurs when the immune cells from the cord blood (the graft) attack the patient’s own immune cells.

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Haemoglobinopathy Test:

Haemoglobinopathy is a condition that involves an abnormality in the structure of haemoglobin. An investigation of a hemoglobin disorder typically involves tests that determine the types and amounts of hemoglobin present in a person’s sample of blood. Information from the test, along with results from routine tests such as a complete blood count (CBC) and blood smear, aid in establishing a diagnosis of Hemoglobinopathies.

With this test, you can detect the disorders and arrange a treatment accordingly.

So the next time you are looking for a reliable stem cell banking in India or anywhere in the world, keep the above services in mind. They will definitely help you choose the right stem cell banking service that lets you make the most for your loved ones.

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To know more read –

  1. http://www.babycell.in/our-services/core-services.php
  2. http://parentsguidecordblood.org/en

A Ray Of Hope For Alzheimer’s Disease

November is Alzheimer’s Awareness month and to acknowledge this month, we want to spread awareness on how Umbilical Cord Blood Stem Cells might have a potential cure for this disease.

Alzheimer’s disease is the most common cause of dementia. The first signs of Alzheimer’s often include lapses in memory or struggling to find the right words. Over time, symptoms such as confusion, mood swings or memory loss develop and become increasingly severe.
Scientists have been actively engaged in research on stem cell transplants for Alzheimer’s disease patients and studies have shown some benefits. It was discovered that low doses of umbilical stem cells infused into a sample brain reduced the inflammation caused due to the plaque.

This brings us to the cessation that human umbilical cord MSCs (Mesenchymal stem cells) can bring a relief to an Alzheimer’s patient with its therapeutic components.

Here’s an info-graph that will give you insights on the current state of the disease.

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