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Jonathan Stamler
Jonathan Solomon Stamler (born June 23, 1959) is an English-born American physician and scientist. He is known for his discovery of protein S-nitrosylation, the addition of a nitric oxide (NO) group to cysteine residues in proteins, as a ubiquitous cellular signal to regulate enzymatic activity and other key protein functions in bacteria, plants and animals, and particularly in transporting NO on cysteines in hemoglobin as the third gas in the respiratory cycle. Early life and education Stamler was born in Wallingford, England on June 23, 1959 to a British father and American mother, and lived in multiple countries (United Kingdom, Switzerland, Israel, United States) as a youth due to his father's global career. He played on the Israeli national (under 18) tennis team. He graduated with a bachelor's degree from Brandeis University in 1981, and earned his M.D. degree from Icahn School of Medicine at Mount Sinai in 1985. His residency and fellowship training in pulmonary me ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wallingford, Oxfordshire
Wallingford () is a historic market town and civil parish located between Oxford and Reading on the River Thames in England. Although belonging to the historic county of Berkshire, it is within the ceremonial county of Oxfordshire for administrative purposes (since 1974) as a result of the 1972 Local Government Act. Wallingford is north of Reading, south of Oxford and north west of Henley-on-Thames. The town's population was 11,600 in the 2011 census. The town has played an important role in English history starting with the surrender of Stigand to William the Conqueror in 1066, which led to his taking the throne and the creation of Wallingford Castle. The castle and the town enjoyed royal status and flourished for much of the Middle Ages. The Treaty of Wallingford, which ended a civil war known as The Anarchy between King Stephen and Empress Matilda, was signed there. The town then entered a period of decline after the arrival of the Black Death and falling out of favou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hemoglobin
Hemoglobin (haemoglobin BrE) (from the Greek word αἷμα, ''haîma'' 'blood' + Latin ''globus'' 'ball, sphere' + ''-in'') (), abbreviated Hb or Hgb, is the iron-containing oxygen-transport metalloprotein present in red blood cells (erythrocytes) of almost all vertebrates (the exception being the fish family Channichthyidae) as well as the tissues of some invertebrates. Hemoglobin in blood carries oxygen from the respiratory organs (''e.g.'' lungs or gills) to the rest of the body (''i.e.'' tissues). There it releases the oxygen to permit aerobic respiration to provide energy to power functions of an organism in the process called metabolism. A healthy individual human has 12to 20grams of hemoglobin in every 100mL of blood. In mammals, the chromoprotein makes up about 96% of the red blood cells' dry content (by weight), and around 35% of the total content (including water). Hemoglobin has an oxygen-binding capacity of 1.34mL O2 per gram, which increases the total blood oxygen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soluble Guanylyl Cyclase
Soluble guanylyl cyclase (sGC) is the only known receptor for nitric oxide, NO. It is soluble, i.e. completely intracellular. Most notably, this enzyme is involved in vasodilation. In humans, it is encoded by the genes GUCY1A2, GUCY1A3, GUCY1B2 and GUCY1B3. It is classified under EC number 4.6.1.2. Structure sGC is a heterodimer composed of one alpha (1, 2) and one heme-binding beta (1, 2) subunits. Each subunit consists of four domains: an N-terminal HNOX domain, a PAS-like domain, a coiled-coil domain, and a C-terminal catalytic domain. The mammalian enzyme contains one heme per dimer, with a proximal histidine ligand located in the HNOX domain of the beta 1 subunit. In its Fe(II) form, this heme moiety is the target of nitric oxide, which is synthesized by endothelial cells following appropriate stimulation. Binding of nitric oxide to the heme results in activation of the C-terminal catalytic domain, which produces cGMP from GTP. The HNOX (Heme Nitric oxide/OXygen b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heme
Heme, or haem (pronounced / hi:m/ ), is a precursor to hemoglobin, which is necessary to bind oxygen in the bloodstream. Heme is biosynthesized in both the bone marrow and the liver. In biochemical terms, heme is a coordination complex "consisting of an iron ion coordinated to a porphyrin acting as a tetradentate ligand, and to one or two axial ligands." The definition is loose, and many depictions omit the axial ligands. Among the metalloporphyrins deployed by metalloproteins as prosthetic groups, heme is one of the most widely used and defines a family of proteins known as hemoproteins. Hemes are most commonly recognized as components of hemoglobin, the red pigment in blood, but are also found in a number of other biologically important hemoproteins such as myoglobin, cytochromes, catalases, heme peroxidase, and endothelial nitric oxide synthase. The word ''haem'' is derived from Greek ''haima'' meaning "blood". Function Hemoproteins have diverse biological functions incl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vasodilation
Vasodilation is the widening of blood vessels. It results from relaxation of smooth muscle cells within the vessel walls, in particular in the large veins, large arteries, and smaller arterioles. The process is the opposite of vasoconstriction, which is the narrowing of blood vessels. When blood vessels dilate, the flow of blood is increased due to a decrease in vascular resistance and increase in cardiac output. Therefore, dilation of arterial blood vessels (mainly the arterioles) decreases blood pressure. The response may be intrinsic (due to local processes in the surrounding tissue) or extrinsic (due to hormones or the nervous system). In addition, the response may be localized to a specific organ (depending on the metabolic needs of a particular tissue, as during strenuous exercise), or it may be systemic (seen throughout the entire systemic circulation). Endogenous substances and drugs that cause vasodilation are termed vasodilators. Such vasoactivity is necessary for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Case Western Reserve University School Of Medicine
Case Western Reserve School of Medicine (CWRU SOM, CaseMed) is the medical school of Case Western Reserve University, a private research university in Cleveland, Ohio. It is the largest biomedical research center in Ohio. History On November 1, 1843, under President George Edmond Pierce, five faculty members including Jared Potter Kirtland and John Delamater, and sixty-seven students began the first medical lectures at the Medical Department of Western Reserve College (also known as the Cleveland Medical College) in Hudson, Ohio. Kirtland and Delamater had previously been instructors at a medical college started in 1834, the Medical Department of Willoughby University of Lake Erie, which had closed in 1843 due to faculty disagreements. Other faculty from that Medical Department went on to found Willoughby Medical College of Columbus, a precursor to the Ohio State University College of Medicine. Women in Medicine In 1852, the medical school became the second in the U.S. t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Howard Hughes Medical Institute
The Howard Hughes Medical Institute (HHMI) is an American non-profit medical research organization based in Chevy Chase, Maryland. It was founded in 1953 by Howard Hughes, an American business magnate, investor, record-setting pilot, engineer, film director, and philanthropist, known during his lifetime as one of the most financially successful individuals in the world. It is one of the largest private funding organizations for biological and medical research in the United States. HHMI spends about $1 million per HHMI Investigator per year, which amounts to annual investment in biomedical research of about $825 million. The institute has an endowment of $22.6 billion, making it the second-wealthiest philanthropic organization in the United States and the second-best endowed medical research foundation in the world. HHMI is the former owner of the Hughes Aircraft Company – an American aerospace firm which was divested to various firms over time. History The institute was fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Duke University School Of Medicine
The Duke University School of Medicine, commonly known as Duke Med, is the medical school of Duke University. It is located in the Collegiate Gothic-style West Campus of Duke University in Durham, North Carolina. The School of Medicine, along with the Duke University School of Nursing, Duke University Hospital, Duke Regional Hospital, Duke Children's Hospital, Duke Raleigh Hospital, and other affiliated hospitals, clinics, and laboratories, make up the Duke University Health System. Established in 1925 by James B. Duke, the School of Medicine has earned its reputation as an integral part of one of the world's foremost patient care and biomedical research institutions. Clinical rotations by medical students and residents occur within the Duke University Health System, a fully integrated academic health care system encompassing a tertiary-care hospital and specialty clinics on the Medical Center campus, two community hospitals, a VA hospital, home health and hospice services, a netw ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harvard Medical School
Harvard Medical School (HMS) is the graduate medical school of Harvard University and is located in the Longwood Medical Area of Boston, Massachusetts. Founded in 1782, HMS is one of the oldest medical schools in the United States and is consistently ranked first for research among medical schools by '' U.S. News & World Report''. Unlike most other leading medical schools, HMS does not operate in conjunction with a single hospital but is directly affiliated with several teaching hospitals in the Boston area. Affiliated teaching hospitals and research institutes include Dana–Farber Cancer Institute, Massachusetts General Hospital, Brigham and Women's Hospital, Beth Israel Deaconess Medical Center, Boston Children's Hospital, McLean Hospital, Cambridge Health Alliance, The Baker Center for Children and Families, and Spaulding Rehabilitation Hospital. History Harvard Medical School was founded on September 19, 1782, after President Joseph Willard presented a report with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brigham And Women’s Hospital
Brigham and Women's Hospital (BWH) is the second largest teaching hospital of Harvard Medical School and the largest hospital in the Longwood Medical Area in Boston, Massachusetts. Along with Massachusetts General Hospital, it is one of the two founding members of Mass General Brigham, the largest healthcare provider in Massachusetts. Sunil Eappen serves as the hospital's current president. Brigham and Women's Hospital conducts the second largest (behind MGH) hospital-based research program in the world, with an annual research budget of more than $630 million. Pioneering achievements at BWH have included the world's first successful heart valve operation and the world's first solid organ transplant. In the 2020 '' U.S. News & World Report'' hospital rankings, BWH was ranked second in Massachusetts (behind MGH) and twelfth nationally. History Brigham and Women's Hospital was established with the 1980 merger of three Harvard-affiliated hospitals: Peter Bent Brigham Hospital ( ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cardiology
Cardiology () is a branch of medicine that deals with disorders of the heart and the cardiovascular system. The field includes medical diagnosis and treatment of congenital heart defects, coronary artery disease, heart failure, valvular heart disease and electrophysiology. Physicians who specialize in this field of medicine are called cardiologists, a specialty of internal medicine. Pediatric cardiologists are pediatricians who specialize in cardiology. Physicians who specialize in cardiac surgery are called cardiothoracic surgeons or cardiac surgeons, a specialty of general surgery. Specializations All cardiologists study the disorders of the heart, but the study of adult and child heart disorders each require different training pathways. Therefore, an adult cardiologist (often simply called "cardiologist") is inadequately trained to take care of children, and pediatric cardiologists are not trained to treat adult heart disease. Surgical aspects are not included in cardiology ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pulmonology
Pulmonology (, , from Latin ''pulmō, -ōnis'' "lung" and the Greek suffix "study of"), pneumology (, built on Greek πνεύμων "lung") or pneumonology () is a medical specialty that deals with diseases involving the respiratory tract.ACP: Pulmonology: Internal Medicine Subspecialty . Acponline.org. Retrieved on 2011-09-30. It is also known as respirology, respiratory medicine, or chest medicine in some countries and areas. Pulmonology is considered a branch of internal medicine, and is related to intensive care medicine ...
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