Rh null

これらの型のうちRh null型以外は定義上Rh + 型になるが、実際は普通のRh + 型を輸血すると、−D−型は自己が持たないC (c) やE (e) 抗原と反応してしまい、Partial D型などはDの不足分に自己にない抗原があるので輸血不可になる。

Rh-null is extremely unusual. The ABO+Rh blood typing system is simplistic and handles only the three most relevant antigens. Accurate blood typing goes into way more detail with far more antigens and as a result there are a huge amount of categories.Background. We recently encountered a Rh null phenotype proband within one family in the Chinese population. Rh null is a rare autosomal recessive disorder characterized by the absence of the Rh antigens on the erythrocyte membrane, resulting in chronic hemolytic anemia. This study described the serological and molecular analysis …They've actually been here all along. The wide-legged, slouchy skater jeans that ruled in the 1990s are making a comeback, this time as an all-purpose denim brand. WWD first report... The RH-null phenotype designates rare individuals whose red blood cells lack all Rh antigens. Two RH-null types, the regulator type (RHNR; 268150) and the amorph type (RHNA), arising from independent genetic mechanisms have been distinguished. The regulator type is caused by mutation in the RHAG gene (180297). Rh positive (pertaining to blood containing Rh factor D, one of 61 Rh blood factors) Noun [edit] Rh-null (uncountable) Ellipsis of Rh-null blood.; a blood type, in which red blood cells are completely lacking in all antigens of the Rh-blood-typing system (Rh factor s), a system of 61 antigen types. Synonyms [edit] golden bloodAltın kan grubu veya Rh-null kan grubu, kırmızı kan hücresinde (RBC) Rh antijenleri (proteinler) içermez. Altın Kan grubu tespit edilen kişi sayısı 50'den az olup dünyadaki en nadir kan grubudur. İlk olarak Avustralya Aborjinlerinde görüldü. Altın kan grubuyla ilgili endişe, Rh null bağışlarının inanılmaz derecede az ...

Here are some facts to know about Type O-negative blood and blood donations. 1. Almost anyone can receive Type O-negative blood. As the universal blood donor type, Type O-negative blood can go to ...Meet Thynk, a new company that wants to build the definitive enterprise software solution for the hospitality industry. Meet Thynk, a new company that wants to build the definitive...Unmasking the 'golden blood' type: the rare Rh-null that could be in one out of every six million. Story by ALB. • 2 min read.So Obama's coming to the Republic Day Parade? Big deal! Indian prime minister Narendra Modi pulled off a calibrated masterstroke when US president Barack Obama accepted his invitat...Oct 1, 2021 · The lack of expression of the D antigen causes the Rh-negative phenotype. This phenotype is caused by three genetic mechanisms, including the complete deletion of the RHD gene, RHD pseudogene, and RHD-CE-D hybrid gene 7, 8. In white Europeans and Americans, the D-negative phenotype is caused by the complete deletion of the RHD gene. Sep 5, 2022 · Rh null là một trong những nhóm máu hiếm nhất thế giới, không chứa bất kỳ kháng nguyên Rh nào trong tế bào hồng cầu, còn có biệt danh là "máu vàng". Cứ 6 triệu người mới có một người mang nhóm máu này. Golden blood type or Rh null blood group is the rarest blood group with no Rh antigens on red blood cells. Learn about its causes, complications, donation, and …

RH BUCHANAN RETIREMENT INCOME CLASS R- Performance charts including intraday, historical charts and prices and keydata. Indices Commodities Currencies StocksOne of the rarest blood types in the world is Rh null, sometimes referred to as ‘ golden blood ’. People with this blood type have a complete absence of any of the Rh antigens. It was first discovered in an Aboriginal Australian and is extremely rare, with fewer than 50 individuals known to have Rh null blood in the 50 years after its ...Golongan darah Rh null atau yang lebih kita kenal dengan golongan darah emas adalah golongan darah yang tidak mengandung antigen Rh (protein) pada sel darah merah (RBC). Ini adalah golongan darah paling langka di dunia, dengan kurang dari 50 orang memiliki golongan darah ini. Ini pertama kali terlihat pada orang Aborigin …In 1940, Landsteiner and Weiner introduced this Rh blood group system . According to Weiner’s theory, Rh, Rh1, Rh2, Rhz, rh, rh1, rh2, and rhy are allele genes. He presented the hypothesis of a single locus with eight allele genes. The nomenclature of Weiner was complicated and not widely used . Numerous recent reports from throughout …The Rh deficiency syndrome, also known as Rh-null syndrome, is a blood disorder where people have red blood cells (RBCs) lacking all Rh antigens. The Rh antigens maintain the integrity of the RBC membrane and therefore, RBCs which lack Rh antigens have an abnormal shape. There are two types of Rh deficiency syndrome: The regulator type is …

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Welcome to the Southwest Airlines network, Fresno and Santa Barbara. Southwest continued its torrid expansion pace during the pandemic. Welcome to the Southwest Airlines network, F...Rhnull phenotype is a rare blood group characterized by the lack of expression of all Rh antigens (D, C, c, E and e) on the red cells. The phenotype is further classified into the regulator and amorph type based on underlying genetic defect. The clinical significance of its recognition is that such patients suffer from Rhnull syndrome ...Scientist call Rhnull blood as Golden Blood because of its rarity. However for someone in need of this blood type would see no golden shine in it because it is extremely rare. In case of Rhnull blood, none of the Rhesus antigens is present in the blood. Rhnull blood was first discovered in 1961 in an Aboriginal Australian woman.Rh−，称作“Rh阴性”、“Rh隐性”，表示人类红细胞没有“RhD抗原”。 Rh血型系统一般沒有天然 抗体 ，故第一次输血时不会发现Rh血型不合。 但Rh阴性的受血者接受Rh阳性血液后，可产生免疫性抗Rh抗体，如再次输受Rh阳性血液时，即可发生 溶血性输血反应 。To get a roundup of TechCrunch’s biggest and most important stories delivered to your inbox every day at 3 p.m. PDT, subscribe here. Hello and welcome to Daily Crunch for September...

A functional RhAG is essential for both the correct Rh complex assembly and Rh antigen expression in the erythrocyte membrane. [2] [3] [4][5][6][7] Both the Rh null and Rh mod phenotypes result in ...Solo se conocen unas 40 personas portadoras de sangre Rh nulo. Este extraño tipo de sangre tiene un gran potencial para salvar las vidas de quienes necesitan transfusiones, sin embargo, quienes ...Introduction. Nearly a century after the first publications which would lead to the recognition of the Rh blood group system (1,2), and 40 years after the molecular basis of the Rh antigens (Ag) were discovered (3,4), 55 Rh Ag, over 400 RHD and over 150 RHCE alleles are recognized by the International Society of Blood Transfusion (ISBT) ().The Rh null phenotype is defined by the absence of all Rh blood group antigens from the surface of the red blood cell (RBC). These antigens are carried by two multipass transmembrane proteins, RhD and RhCE, and the expression of RhD and RhCE is dependent on the Rh-associated glycoprotein (RhAG) for correct assembly in the …It is Rh-null: 61 Rh antigens are absent in it. If you’re Rh negative, you still have some Rh proteins but you have more missing than you have present. If you’re Rh-null, you have none of these antigens at all. When it comes to transfusions, you receive blood from someone who has the same number, or fewer, antigens than you do. This …Rh antigens are carried on hydrophobic 12-pass transmembrane proteins (Fig. 26.1). RhAG is important for trafficking the RhD and RhCE proteins to the membrane, and lack of RhAG results in the absence of Rh antigen expression (Rh-null phenotype) or marked reduction of Rh antigen expression (Rh-mod phenotype).Feb 2, 2018 · El Rh nulo es el grupo sanguíneo menos frecuente que conocemos. En la actualidad solo se ha podido detectar su presencia en menos de 50 personas en todo el mundo; si bien cabe esperar que el número total sea mayor, seguiría tratándose de la forma de expresión más rara que existe de los antígenos de la sangre. La sangre de las personas ... May 3, 2024 · 특징 [편집] Rh식 혈액형을 결정하는 항원은 C, c, D, E, e [1] 를 비롯하여 50개가 넘는데, Rh null은 염기서열의 변이로 인해 이 항원 이 모두 존재하지 않는다. D항원만 존재하는 바디바바디바 (-D-/-D-)혈액형도 30만명 중 한 명만 있을 정도로 드문데, 여기서 한 번 더 ... Rh null phenotype. Rh null individuals have no Rh antigens (no Rh or RhAG) on their red blood cells. This rare condition has been called "Golden Blood". As a consequence of …Discuss causes of the Rh null phenotype. 3. Describe Rh system antibody reactivity and characteristics. 4. Discuss the administration of Rh immune globulin. 5. Describe the reagents used in Rh typing and the appropriate controls. 6. List causes of discrepancies in Rh typing. KEY WORDS Compound antigen Deleted or partially deleted phenotype ...Golongan darah Rh null atau yang lebih kita kenal dengan golongan darah emas adalah golongan darah yang tidak mengandung antigen Rh (protein) pada sel darah merah (RBC). Ini adalah golongan darah paling langka di dunia, dengan kurang dari 50 orang memiliki golongan darah ini. Ini pertama kali terlihat pada orang Aborigin Australia. Kekhawatiran dengan golongan… Selengkapnya »Apa itu ...It’s called Rh-null blood, or much more dramatically, “golden blood.” For years, scientists believed that no one could survive with the Rh-null blood type, since it can lead to serious complications. Finding the woman in Australia, and subsequent people with what they believe is a similarly mutated gene, dispelled the myth.

The Rh deficiency syndrome, also known as Rh-null syndrome, is a blood disorder where people have red blood cells (RBCs) lacking all Rh antigens. The Rh antigens maintain the integrity of the RBC membrane and therefore, RBCs which lack Rh antigens have an abnormal shape. There are two types of Rh deficiency syndrome: The regulator type is …

The RH-null amorph phenotype thus arises from inactivating mutations in RHCE on a D-negative background (summary by Huang et al., 1998 and Huang et al., 2000). Clinically, Rh-null patients present mild to moderate hemolytic anemia; cells exhibit characteristic morphologic and functional abnormalities including spherocytosis, stomatocytosis, and ...Introduction. Nearly a century after the first publications which would lead to the recognition of the Rh blood group system (1,2), and 40 years after the molecular basis of the Rh antigens (Ag) were discovered (3,4), 55 Rh Ag, over 400 RHD and over 150 RHCE alleles are recognized by the International Society of Blood Transfusion (ISBT) ().Introduction When we talk about blood types, most people are familiar with the ABO and Rh systems. However, there's a blood type that goes beyond the ordinary—a blood type so rare that it's often referred to as the "Golden Blood." This remarkable blood type is known as Rh null, and it's a fascinating rarity that holds mysteries and …Rh-null được gọi là máu "vàng" vì hai lý do. Lý do quan trọng nhất là thiếu hoàn toàn kháng nguyên Rh, nó có thể truyền cho bất kỳ người nào có nhóm máu hiếm trong hệ Rh. Tiềm năng cứu sống người của nó là rất lớn, đến nỗi mặc dù mọi đơn vị máu hiến tặng cho ngân ...Like I mentioned earlier, Rh factor is short for Rhesus factor. This actually refers to how scientists first discovered Rh: in Rhesus macaque monkeys. Other primates have similar Rh molecules to us. And if you go even further back in evolutionary history, you can even find similar genes in bacteria! 2. Humans have two different Rh genes: RHD ...Jul 29, 2022 · Rh factor blood test: Rhesus (Rh) factor is an inherited protein found on the surface of red blood cells. If your blood has the protein, you're Rh positive. If your blood lacks the protein, you're Rh negative. 이 혈액형은 대한민국의 12명 을 포함해 전 세계에서 단 110명 만 확인되어 있으며, 위의 5개가 모두 없는 Rh null 이라는 매우 희귀한 혈액형도 존재한다. Rh 혈액형은 수혈 및 헌혈 시 ABO혈액형처럼 같은 혈액형끼리 수혈하는 것을 원칙으로 한다. 따라서 Rh + …Background: Rh(null) is a rare autosomal recessive disorder, and Rh(null) of the regulator type may result from mutation of the RHAG gene, which encodes RhAG glycoprotein and modulates Rh antigen expression. This study described the molecular genetic analysis of a Chinese Rh(null) family and identified a novel mutation in the RHAG gene.The RH-null phenotype designates rare individuals whose red blood cells lack all Rh antigens. Two RH-null types, the regulator type ( OMIM ) and the amorph type, arising from independent genetic mechanisms have been distinguished. The regulator type is caused by mutation in the RHAG gene ( OMIM ). The amorph type arises from mutations at the RH ...One of the rarest blood types is Rh-null (lacking all Rh antigens), according to the Cleveland Clinic. Sometimes referred to as “golden blood,” fewer than 50 people in the world have this type of blood. Additionally, the percentage of a population that has a specific blood type varies by ethnicity. For example, according to research:

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Rh factor (or Rhesus factor) is a type of protein on the outside or surface of your red blood cells. You inherit the protein, which means you get your Rh factor from your biological parents. If you have the protein, you’re Rh-positive. If you don’t have the protein, you’re Rh-negative. The majority of people, about 85%, are Rh-positive.Microscopical analysis of a blood film of the woman revealed the presence of stomatocytes, which is consistent with the Rh-null phenotype (left). An acidified glycerol lysis test of the proband showed increased erythrocyte lysis of the individuals carrying the variant compared to a wild-type reference, demonstrating markedly increased osmotic ...Nuclear Submarine Weaponry - Nuclear submarine weaponry is arguably some of the most powerful in the world, from Tomahawk to Polaris missiles. Learn about nuclear submarine weaponr...Watch this video for a simple way to clean latex paint off a paint roller in minutes without making a big mess. Expert Advice On Improving Your Home Videos Latest View All Guides L...Rh null is a rare phenotype, characterized by the lack of expression of all Rh antigens on red blood cells (RBCs). Rh proteins are important for the structure and function of the red cell membrane, so the Rh null phenotype can cause Rh-deficiency syndrome [1]. The syndrome is associated with stomatocytosis, spherocytosis, increased osmotic ...Golden blood type or Rh null blood group is the rarest blood group with no Rh antigens on red blood cells. Learn about its causes, complications, donation, and transfusion challenges.For more videos, follow me on Facebook: https://www.facebook.com/ScienceNaturePage/#Biology #HumanBody #GoldenBloodRhesus (Rh) antigens are defined by a complex association of membrane polypeptides that are missing or severely deficient from the red cells of rare Rh null individuals who suffer a clinical syndrome of varying severity characterized by abnormalities of the red cell shape, cation transport and membrane phospholipid organization. The Rh … ….

China’s dam rush is well underway. To meet its renewable energy goals by 2020, the country plans to increase hydropower capacity to 290 GW, more than the installed capacity of all ...If you lack one that 99.99 percent of people have, then congratulations: You're Spiderman. Just kidding, probably. The rarest blood type in existence is Rhnull blood. This stuff is characterized by a complete lack of antigens in the Rh system, which is the largest blood group system.The RH-null phenotype designates rare individuals whose red blood cells lack all Rh antigens. Two RH-null types, the regulator type (RHNR; 268150) and the amorph type (RHNA), arising from independent genetic mechanisms have been distinguished. The regulator type is caused by mutation in the RHAG gene (180297). The amorph type …The Rh deficiency syndrome, also known as Rh-null syndrome, is a blood disorder where people have red blood cells (RBCs) lacking all Rh antigens. The Rh antigens maintain the integrity of the RBC membrane and therefore, RBCs which lack Rh antigens have an abnormal shape.Hyperaldosteronism can be defined as excessive levels of aldosterone which may be independent of the renin-angiotensin axis. More Hyperaldosteronism information Try our Symptom Che...Further investigations into the Rh-null phenotype revealed that Rh antigens are part of a non-covalently-bound complex of proteins, with a core tetramer of two Rh and two Rh-associated glycoprotein (RhAG) subunits, and CD47, LW, and GPB accessory proteins; this complex is anchored in the lipid bilayer by the N-terminal and C-terminal domains of ...Jan 15, 2000 · Transfusion of a patient with anti-Rh29 is a problem because only Rh null RBCs will be compatible: People with the Rh null phenotype are not only rare, but they have a compensated hemolytic anemia and are therefore unlikely to meet predonation criteria. 124 People with either the D−−, D••, DC W −, or Dc− phenotype make anti-Rh17. A ... What is Rh null? If it isn’t covered in the video, please don’t hesitate to ask below. Continue here for the short and simple explanation. Rh null individuals have no Rh antigens (no Rh or RhAG) on their red blood cells. As a consequence of the absence of Rh antigens, Rh null red blood cells also lack LW and Fy5 and show weak expression of ... 1. Golden Blood or Rh-null: With less than 50 known cases worldwide, it is the rarest blood type around the globe. Rh-null is a condition in which an individual's blood lacks all 61 antigens. Rh-null can be donated to persons with blood types that are incredibly different from the central eight since it is devoid of any potential antigens. Rh null, Rh incompatibility means that the pregnant person is Rh negative, and the fetus is Rh positive. This can cause an immune-driven hemolytic reaction in the blood of the fetus or baby. Hemolysis is the breaking down of RBCs. It causes anemia (low RBCs) and organ failure affecting the fetus or baby., The RH-null phenotype designates rare individuals whose red blood cells lack all Rh antigens. Two RH-null types, the regulator type (RHNR) and the amorph type (RHNA; 617970), arising from independent genetic mechanisms have been distinguished. The regulator type is caused by mutation in the RHAG gene (180297), which encodes the …, Altın kan grubu veya Rh-null kan grubu, kırmızı kan hücresinde (RBC) Rh antijenleri (proteinler) içermez. Altın Kan grubu tespit edilen kişi sayısı 50'den az olup dünyadaki en nadir kan grubudur. İlk olarak Avustralya Aborjinlerinde görüldü. Altın kan grubuyla ilgili endişe, Rh null bağışlarının inanılmaz derecede az ..., Rh factor (or Rhesus factor) is a type of protein on the outside or surface of your red blood cells. You inherit the protein, which means you get your Rh factor from your biological parents. If you have the protein, you’re Rh-positive. If you don’t have the protein, you’re Rh-negative. The majority of people, about 85%, are Rh-positive., Introduction. Nearly a century after the first publications which would lead to the recognition of the Rh blood group system (1,2), and 40 years after the molecular basis of the Rh antigens (Ag) were discovered (3,4), 55 Rh Ag, over 400 RHD and over 150 RHCE alleles are recognized by the International Society of Blood Transfusion (ISBT) ()., Apr 22, 2019 · Golden Blood, or Rh-null blood is an extremely rare blood type that has only been identified in 43 people around the world in the last 50 years. It is sought after both for scientific research and ... , Some types of curriculum include the overt curriculum, the societal curriculum, the hidden curriculum and the null curriculum. The overt curriculum is the most common conception of..., Did you ever want to be a personal-finance advice columnist? Well, here’s your chance. In Money magazine's “Readers to the Rescue” department, we publish questions… By click..., Rh null blood was first described in 1961, in an Aboriginal Australian woman. Until then, doctors had assumed that an embryo missing all Rh blood cell antigens would not survive, let alone grow ..., Solo se conocen unas 40 personas portadoras de sangre Rh nulo. Este extraño tipo de sangre tiene un gran potencial para salvar las vidas de quienes necesitan transfusiones, sin embargo, quienes ..., One of the rarest blood types in the world is Rh null, sometimes referred to as ‘ golden blood ’. People with this blood type have a complete absence of any of the Rh antigens. It was first discovered in an Aboriginal Australian and is extremely rare, with fewer than 50 individuals known to have Rh null blood in the 50 years after its ..., Solo se conocen unas 40 personas portadoras de sangre Rh nulo. Este extraño tipo de sangre tiene un gran potencial para salvar las vidas de quienes necesitan transfusiones, sin embargo, quienes ..., In 1940, Landsteiner and Weiner introduced this Rh blood group system . According to Weiner’s theory, Rh, Rh1, Rh2, Rhz, rh, rh1, rh2, and rhy are allele genes. He presented the hypothesis of a single locus with eight allele genes. The nomenclature of Weiner was complicated and not widely used . Numerous recent reports from throughout …, Rh-null occurs when a person’s blood lacks all of the 61 possible antigens. Because Rh-null lacks all of the possible antigens it can be donated to others who have highly unusual blood types outside of the main eight types. However, Rh-null can only accept blood from others with Rh-null. The scarcity of Rh-null blood coupled with its …, In both scenarios, the potential use of human-induced pluripotent stem cell (hiPSC)-derived Rh null red cells is also dependent on ABO compatibility. Here, we present a CRISPR/Cas9-mediated ABO gene edition strategy for the conversion of blood type A to universal type O, which we have applied to an Rh null donor-derived hiPSC line, …, Theo quy định của Hiệp hội Truyền máu Quốc tế, nhóm máu có tỷ lệ < 0,1% trong cộng đồng được gọi là nhóm máu hiếm. Loài người đa số có Rh dương, người da trắng có tới 85% Rh (+) và 15% có Rh (-). Ở Việt nam, tỷ lệ người có Rh (+) là 99,92%, Rh ( …, Rhesus factor is a part of your blood type. It’s the “+” or “-” in A+, B-, O+, etc. Just like A is a blood type from ABO blood group, Rh factor is a blood type from Rhesus blood group.There are other posts on this site that talk about the basics of Rhesus factor, so here I will talk more about the evolution of Rhesus factor, and blood type in animals., Sassafras oil comes from the root bark of the sassafras tree. Sassafras oil overdose occurs when someone swallows more than the normal or recommended amount of this substance. This..., Antigen null (group O) with both antibody A and B ... Rh negative blood types are much less common in Asian populations (0.3%) than they are in European populations (15%). The presence or absence of the Rh(D) antigen is signified by the + or − sign, so that, for example, the A− group is ABO type A and does not have the Rh (D) antigen., The September 11th attacks timeline seemed to progress quickly, but the event was years in planning. Check out this timeline of September 11th. Advertisement The terrorist attacks ..., Rh null: Nhóm máu hiếm nhất thế giới, chỉ có có đúng 43 người sở hữu. Nhóm máu được xác định bởi các kháng nguyên và kháng thể trong máu. Trên thế giới hiện có khoảng 40 nhóm máu với hơn 600 loại kháng nguyên. Trong đó, Rh null, không chứa bất kỳ kháng nguyên Rh nào trong ..., The donor subject had been previously identified as a homozygous carrier of the c.836G > A single‐base mutation in the RHAG gene, leading to the rare Rh null blood type. 27 , 28 , 29 The Rh‐blood group deficiency, or Rh null, is an extremely rare phenotype which lacks all the Rh antigens on the red cell membrane., Rhnull phenotype is a rare blood group characterized by the lack of expression of all Rh antigens (D, C, c, E and e) on the red cells. The phenotype is further classified into the regulator and amorph type based on underlying genetic defect. The clinical significance of its recognition is that such patients suffer from Rhnull syndrome ..., The Rh antigens are thought to play a role in maintaining the integrity of the RBC membrane—RBCs which lack Rh antigens have an abnormal shape. Individuals with the rare Rh null phenotype caused by the deletion of RHAG have RBCs that do not express any of the Rh antigens because they cannot be targeted to the RBC membrane. The …, Here are some facts to know about Type O-negative blood and blood donations. 1. Almost anyone can receive Type O-negative blood. As the universal blood donor type, Type O-negative blood can go to ..., Jul 15, 1998 · Rh null disease, which includes the amorph and regulator types, is a rare genetic disorder characterized by stomatocytosis and chronic hemolytic anemia. We studied here a German family transmitting a putative amorph Rh null disease gene and identified a rare mutation causing the loss-of-function phenotype. , Cooking delicious and healthy doesn’t need to take a lot of time. These curry chicken thighs are easy, tasty, and only require three ingredients: curry powder, greek yogurt, and of..., The Rh factor is one of the proteins on RBCs used to indicate whether the blood of two different people is compatible when mixed – such as blood of a mother and her baby at birth. It is routine and important that the Rh factor for a mother and unborn child be determined during pregnancy. If an expecting mother is Rh negative and her baby is ..., President Joe Biden announced that he will appoint a special prosecutor as part of a series of measures to combat fraud and identity theft in pandemic relief programs. In his State..., Rhnull phenotype is a rare blood group characterized by the lack of expression of all Rh antigens (D, C, c, E and e) on the red cells. The phenotype is further classified into the …, China’s dam rush is well underway. To meet its renewable energy goals by 2020, the country plans to increase hydropower capacity to 290 GW, more than the installed capacity of all ..., It’s called Rh-null blood, or much more dramatically, “golden blood.” For years, scientists believed that no one could survive with the Rh-null blood type, since it can lead to serious complications. Finding the woman in Australia, and subsequent people with what they believe is a similarly mutated gene, dispelled the myth., 1. Golden Blood or Rh-null: With less than 50 known cases worldwide, it is the rarest blood type around the globe. Rh-null is a condition in which an individual's blood lacks all 61 antigens. Rh-null can be donated to persons with blood types that are incredibly different from the central eight since it is devoid of any potential antigens.