Severe Combined Immunodeficiency Syndrome (SCID) by Isabel Davis https://padlet.com/isabeldavis19/v3702d2zg3yy Immune System Diseases en-us 2018-02-19 17:08:28 UTC 2025-09-27 15:41:01 UTC hello@padlet.com isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232994407 Severe combined immunodeficiency, SCID, also known as alymphocytosis, Glanzmann–Riniker syndrome, severe mixed immunodeficiency syndrome, and thymic alymphoplasia]]> 2018-02-19 17:17:19 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232994407 What is SCID? isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232996049 SCID is one of the most serious human immunodeficiency disorder(s). It is a group of congenital disorders (disease present at birth) in which both the humoral part of the patient’s immune system and the cells involved in immune responses fail to work properly. Children with SCID are vulnerable to recurrent severe infections, stunted growth, and early death. Several different immune system disorders are currently grouped under SCID.]]> 2018-02-19 17:22:42 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232996049 Citations isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232997033 Frey, Rebecca J. "Severe combined immunodeficiency." The Gale Encyclopedia of Medicine, edited by Jacqueline L. Longe, 5th ed., Gale, 2015. Health & Wellness Resource Center, http://link.galegroup.com/apps/doc/XSORPL336561080/HWRC?u=mtlib_2_754&sid=HWRC&xid=08efdf37.

Wells, Ken R., and Katherine Hunt, PhD, MS, CGC. "X-Linked Severe Combined Immunodeficiency." The Gale Encyclopedia of Genetic Disorders, edited by Tracie Moy and Laura Avery, 4th ed., vol. 3, Gale, 2016, pp. 1842-1844. Health & Wellness Resource Center, http://link.galegroup.com/apps/doc/CX3630400535/HWRC?u=mtlib_2_754&sid=HWRC&xid=d02ca4dd. Accessed 19 Feb. 2018.

“Learning About Severe Combined Immunodeficiency (SCID).” National Human Genome Research Institute (NHGRI), www.genome.gov/13014325/learning-about-severe-combined-immunodeficiency-scid/#al-9.
]]> 2018-02-19 17:26:01 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232997033 Facts isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232997244 -SCID is thought to affect between one in every 100,000 persons, and one in every 500,000 infants. 
-Early diagnosis of SCID is rare because doctors do not routinely count each type of white blood cell in newborns.
-Untreated infants usually do not live beyond a year]]> 2018-02-19 17:26:46 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232997244 Grouped Disorders isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232997360 There are currently 14 disorders grouped under SCID.
  • Swiss-type agammaglobulinemia. This was the first type of SCID discovered, in Switzerland in the 1950s.
  • Adenosine deaminase deficiency (ADA). About 50% of SCID cases are of this type. ADA deficiency leads to low levels of B and T cells in the child’s immune system.
  • Autosomal recessive. About 40% of SCID cases are inherited from the parents in an autosomal recessive pattern.
  • Bare lymphocyte syndrome. In this form of SCID, the white blood cells (lymphocytes) in the baby’s blood are missing certain proteins. Without these proteins, the lymphocytes cannot activate the T cells in the immune system.
  • SCID with leukopenia. Children with this form of SCID are lacking a type of white blood cell called a granulocyte.
Taken from "Severe combined immunodeficiency." The Gale Encyclopedia of Medicine
]]> 2018-02-19 17:27:12 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232997360 Biology isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232998144 Of the three parts of the immune system, the cellular and humoral parts are affected by SCID. They are both needed to fight infections by recognizing disease agents to attack them. With SCID, neither the cellular nor the humoral part of the immune system is working properly.]]> 2018-02-19 17:30:05 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232998144 isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232999220 SCID is an inherited disorder. Of the two ways for the fetus to fail to develop normally due to genetic problems, in the the first type both B and T cells are defective. In the second type, only the T cells are abnormal, but their defect affects the functioning of the B cells.]]> 2018-02-19 17:34:01 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/232999220 isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233001937 The high cost of current testing has prohibited newborn screening on a population-wide basis. To make screening for all newborns affordable, an automated screening method that could process hundreds of samples every day with minimal hands-on requirements would need to be developed.]]> 2018-02-19 17:43:01 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233001937 Symptoms isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233002468  SCID makes those affected highly susceptible to life-threatening infections by viruses, bacteria, and fungi.]]> 2018-02-19 17:44:28 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233002468 isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233003147 2018-02-19 17:46:36 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233003147 Gene Therapy for ADA SCID isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233003772 http://www.mun.ca/biology/scarr/Somatic_Therapy_for_SCID.htm]]> 2018-02-19 17:48:17 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233003772 isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233005212 For the first few months of life, a child with SCID is protected by antibodies in the mother’s blood. Afterwards, the SCID child begins to suffer from common infections like influenza, pneumonia, and infections of the ear and urinary tract. Other symptoms include rashes, diarrhea, cough, congestion, fever, other autoimmune conditions, failure to thrive, and short stature. Infants are often born without tonsils and lymph nodes.]]> 2018-02-19 17:52:21 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233005212 What are possible treatments? isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233005880 There is no cure for SCID, but gene therapy, blood transfusion, bone marrow transplants, enzyme replacement, and preventative protection help fight the deficient immunity.]]> 2018-02-19 17:54:33 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233005880 isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233009420 A child in isolation to survive with their deficient immunity.]]> 2018-02-19 18:06:47 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233009420 isabeldavis19 https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233010785
https://www.newbornscreening.info/Parents/otherdisorders/SCID.html]]> 2018-02-19 18:11:55 UTC https://padlet.com/isabeldavis19/v3702d2zg3yy/wish/233010785