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Drugs in Biological Definition

Antibiotic

... , antibiotics were labelled "magic bullets": drugs which targeted disease without harming the host. ... aminoglycosides including gentamicin drugs which inhibit folate synthesis Sulfonamides and trimethoprim drugs which interfere with DNA synthesis ...

Cancer

... Chemotherapy is the treatment of cancer with drugs ("anticancer drugs") that can destroy cancer ... themselves after chemotherapy. Because some drugs work better together than alone, two or more drugs are often given at the same time. This is called ...

Drug

... which means "dry", since in the past, most drugs were dried plant parts. Contents ... links 9 Books about Illicit and Popular drugs Terminology The term "drug" is ... The term "medication" is frequently applied to drugs used for medical treatment, presumably to avoid ...

Selective serotonin reuptake inhibitor

... antidepressants, SSRIs were rationally designed drugs . Instead of being discovered by accident, SSRIs ... Compared to the withdrawal symptoms of such drugs as opiates , alcohol or cocaine , these are ... 5 References List of SSRIs Many drugs in this class are familiar through advertising, ...

Barbiturate

... Barbiturates are drugs that acts as central nervous system (CNS) depressants , and by virtue of ... popular in the first half of the 20th century. In moderate amounts, these drugs produce a state of intoxication that is remarkably similar to alcohol ...

Growth curve

... generally more sensitive to the toxic effects that conventional anticancer drugs have on the cancer cells . Many conventional anticancer drugs (for example, 5-Fluoro Uracil ) interfere with DNA replication and can ...

Immunology

... the context of the treatment of cancers together with chemotherapy ( drugs ) and radiotherapy ( radiation ). However, immunotherapy is also often ... rapid techniques for the diagnosis of disease, microbes and even illegal drugs in vivo (of course tests conducted in closed environment have a higher ...

Malaria

... it must be consumed daily. It seems inevitable that resistance to these drugs will also occur. "Malarone" is also a recommended prophylactic. In ... falciparum , which was completed in 2002 , will provide targets for new drugs or vaccines. Efforts to eradicate malaria by attacking mosquitos have ...

Twin

... for a tiny Brazilian village (see [1] ). The widespread use of fertility drugs causing hyperovulation (stimulated release of multiple eggs by the mother) ... Several previous pregnancies. Women who have been taking fertility drugs have the greatest chance of multiple births, ranging from 10 to 20 ....

Varicella zoster virus

... sodium hypochlorite . Within the body it can be treated by a number of drugs and therapeutic agents including aciclovir , zoster immunoglobulin ... and colleagues in the 1970s. It was submitted to the U.S. Food and drugs Administration for approval in 1990 and was approved in 1995. Since then, ...

Albumin

... hormones, particularly fat soluble ones Transports fatty acids ("free" fatty acids) Transports unconjugated bilirubin Transports many drugs Competitively binds calcium ions (Ca 2+ ) Buffers pH Causes of albumin deficiency: Cirrhosis of the liver (most commonly) ...

Avian influenza

... tested negative for bird flu were later found to have carried the virus. All seven have since recovered from the disease. Antiviral drugs are sometimes effective in both preventing and treating the disease, but no virus has ever been really cured in medical history. Vaccines , ...

Biodiversity

... trouble), and morphine from the poppy plant (pain relief). According the National Cancer Institute , over 70 % of the promising anti-cancer drugs come from plants in the tropical rainforests . Animal may also play a role, in particular in research. It is estimated that of the 250,000 known ...

Biotechnology

... term describes start-up companies especially in medical discovery that are characterised by many years of financial losses as they put experimental drugs through clinical trials. Contents showTocToggle("show","hide") 1 Sub-fields of biotechnology 2 Biotechnology timeline 3 ...

Blood

... through the veins . See circulatory system for a more detailed description of this circulation. Blood also transports metabolic waste products, drugs and other foreign chemicals to the liver to be degraded and to the kidney to be excreted in urine . A buffer solution of carbonic acid (H ...

Botany

... of studying plants to understand fundamental biological processes. Utilise medicine and materials Many of our medicinal and recreational drugs , like cannabis , caffeine and nicotine come directly from the plant kingdom. Aspirin , which originally came from the bark of willow ...

Brain

... stress disorder , are now recognized as having a biological basis in the brain. These disease can be treated by psychiatric therapy , by drugs , or by a combination of treatments. Some diseases that affect the brain are caused by germs. Viral or bacterial infection of the meninges, ...

Diabetes mellitus

... sensitivity, even when the weight lost is modest e.g. around 5 kg (10 to 15 lb). The next step, if necessary, is treatment with oral antidiabetic drugs : the sulphonylureas , metformin , or (if these are insufficient) thiazolidinediones . When these have failed, insulin therapy may be necessary to ...

Limbic system

... . The pleasure center is located in the limbic system. It is involved in sexual arousal and in the "high" derived from certain recreational drugs . Dopamine acts here. Rats with electrodes implanted into their limbic system will self-stimulate in preference over food and will eventually die ...

Lung

... exchange and regulation of hydrogen ion concentration , the lungs also: influence on the concentration of biologically active substances and drugs used in medicine in arterial blood filter out small blood clots formed in the systemic veins serve as a physical layer of soft, shock ...

Metabolism

... Calvin cycle Carbon fixation Drug metabolism Drug metabolism pathways, the modification or degradation of drugs and other xenobiotic compounds through specialized enzyme systems: Cytochrome P450 oxidase system Flavin-containing monooxygenase ...

Molecular biology

... of situations, the protein may be crystallized so its tertiary structure can be studied, or, in the pharmaceutical industry, the activity of new drugs against the protein can be studied. Polymerase chain reaction (PCR) Main article: Polymerase chain reaction The polymerase chain ...

Phage

... phages and their therapeutic uses in the Tbilisi Institute in Georgia . The development of bacterial strains that are resistant to multiple drugs has led Western medical researchers to re-evaluate phages as alternatives to the use of antibiotics. Phage display is a test to screen for ...

Synapse

... The size, number and replenishment rate of vesicles also are subject to regulation, as are many other elements of synaptic transmission. The drugs known as selective serotonin re-uptake inhibitors or SSRIs affect certain synapses by inhibiting the re-uptake of the neurotransmitter serotonin . ...

Tubulin

... localize at centrioles and may play a role in forming the mitotic spindle during mitosis. Pharmacology Tubulins are targets for anticancer drugs like taxol . The anti- gout agent colchicine binds to tubulin and inhibits microtubule formation, arresting neutrophil motility and decreasing ...

Virus

... are difficult to kill. The most effective medical approaches to viral diseases, thus far, are vaccination to provide resistance to infection, and drugs that treat the symptoms of viral infections. Patients often ask for antibiotics , which are useless against viruses, and their misuse against viral ...

Virus evolution

... of viral diseases such as influenza , HIV , hepatitis , and many others. It also causes problems in the development of successful antiviral drugs , as resistant mutations often appear within weeks to months after the beginning of the treatment. RNA viruses are also used as a model system to ...
Other Contents
(Date:7/9/2014)... developed by researchers at the NIH,s National ... its collaborators to treat sickle cell disease ... business. The drug candidate, Aes-103, is the ... molecular mechanism of sickle cell disease. Baxter ... required for regulatory approval and commercialization. , ...
(Date:7/9/2014)... receptor antagonists can alleviate the symptoms of ... cognitive dysfunction and effectively scavenge amyloid beta ... (Aβ) vaccines reduced and eliminated Aβ deposition ... model, and significantly improved behavioral and cognitive ... First Affiliated Hospital of China Medical University, ...
(Date:7/9/2014)... inhabitants of the sea: tiny haptophytes of the type ... eye, when they are in bloom in spring, they ... on satellite images. "Together with other phytoplankton, Emiliania ... global photosynthesis output," states Prof. Dr. Georg Pohnert of ... the greenhouse gas carbon dioxide CO2 is ...
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(Date:7/9/2014)... Infectious Diseases (NIAID), part of the National Institutes ... of CRS3123, an investigational oral antibiotic intended to ... ) infection. CRS3123 (previously known as REP3123) is ... while sparing normal intestinal bacteria. , The Phase ... men and women ages 18 to 45 in ...
(Date:7/9/2014)... labels handed out by pharmacists may be misread ... according to new research by the University of ... Blind)., The study, published recently in the ... prescription medications dispensed by pharmacies do not consistently ... simply following recommended guidelines for font size, use ...
(Date:7/9/2014)... A study published in the scientific journal ... Bonin, two researchers at Universit Laval, reveals that it ... method that involves rekindling pain so that it can ... means to alleviate chronic pain. , The researchers from ... universitaire en sant mentale de Qubec (IUSMQ) were inspired ...
(Date:7/8/2014)... similar longevity and cardiovascular health as other healthy mature ... American Journal of Transplantation . The findings may ... the transplant professionals caring for them. , Over the ... 55 years and older has become more common. Given ... disease, the removal of a kidney could make older ...
(Date:7/8/2014)... team of clinicians from Plymouth, UK, and Sydney, Australia, ... July Australia) launched ACEmobile - a free-to-use app to ... ACEmobile is the first of its kind; an iPad-based ... provides support through the whole process, meaning more members ... this type of assessment. Designed by clinicians for clinicians, ...
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