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dogma in Medical News

Bone from blood: Circulating cells form bone outside the normal skeleton, Penn study finds

... PHILADELPHIA The accepted dogma has been that bone-forming cells, derived from the body's connective tissue, are the only cells able to form the skeleton. However, new research ...

Anti-angiogenesis treatment improves hearing in some NF2 patients

... PhD, the study's senior author, formerly with the Steele Laboratory of Tumor Biology in the MGH Department of Radiation Oncology. "There had been a dogma that these tumors do not produce edema and are not angiogenic, concepts that now need to be reevaluated." She adds that the study also suggests that ...

Statins May Cause Muscle Damage in Some Patients

... levels of CPK in the blood can mean the enzyme is leaking out of the muscle cells, indicating muscle damage. "This paper is challenging the dogma that if the CPK level is low, it rules out the possibility of muscle damage," Karas said. "You can have microscopic muscle damage and the level of ...

Trimming the fat boosts blood recovery after marrow transplant

... The fat cells seemed to somehow slow the natural cell cycle of the blood stem cells and progenitor cells. "Our study contradicts the classical dogma that bone marrow adipocytes are merely space fillers," says Daley. "Rather, they make it harder to recover from chemotherapy or radiation because ...

International team cracks mammalian gene control code

... Another paper investigated retrotransposons, genetic elements that move around the genome and leave copies of themselves behind. "The dogma in the field is that retrotransposons are only active in cancer cells and cells that turn into eggs and sperm," Dr Faulkner said. "Our results showed ...

Treatment Target for Herpes Pinpointed

... that," Sawtell said. VP16 is known to be important for starting the lytic, or reproductive, cycle upon infection of a cell. However, "it has been dogma that VP16 is not involved in reactivation from the dormant stage," Sawtell said. But in this study, which used a mouse model, production of VP16 ...

Heart regenerates after infarction -- first trials with mice

... the Max Delbrck Center for Molecular Medicine (MDC) Berlin-Buch and the Charit Universittsmedizin Berlin (Germany) have been able to show that this dogma no longer holds true. Dr. Laura Zelarayn and Assistant Professor Dr. Martin W. Bergmann were able to show that the body`s own heart muscle stem cells ...

Free articles get read but don't generate more citations

... were published, open-access articles were downloaded more but were no more likely to be cited than subscription-based articles. "The established dogma is that freely available scientific articles are cited more because they are read more," said Davis, a former science librarian who designed the ...

Radiation for health

... the minimum possible exposure with no regard for radiation as a beneficial agent," says Luckey, "Those who believe the Linear No Threshold (LNT) dogma have no concept about any benefits from ionizing radiation. Many radiobiologists get paid to protect us from negligible amounts of ionizing ....

New form of ECT is as effective as older types but without cognitive side effects

... that, a first principals analysis of ECT stimulation parameters, along with the results of Sackeim et al, suggest that we should rethink the dogma of standard clinical ECT settings and work to optimize the therapy by bridging scientific understanding with clinical evaluation. This ...

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dogma in Biological News

7th annual [BC]2 Basel Computational Biology Conference 'Molecular Evolution' June 18-19, 2009

... master control gene, that is, Pax6 can induce the formation of ectopic eyes in both insects and vertebrates, necessitates a reconsideration of the dogma of a polyphyletic origin of the various eye types in all the animal phyla. Prof. Gehring is recipient of the Kyoto Prize for Basic Science (2000) and ...

Scientists shed light on inner workings of human embryonic stem cells

... and his team have been studying a set of control genes called microRNAs. "To really understand microRNAs, the first step is to remember the central dogma of biology DNA is the template for RNA and RNA is translated to protein. But microRNAs stop at the RNA step and never go on to make a protein. ...

Major international study challenges notions of how genes are controlled in mammals

... Dr. Dostie, who participated in the primary FANTOM4 research and also authored a satellite paper for publication in the journal Genome Biology. "The dogma right now is that there are so-called 'master regulators,' a series of protein switches that sit in specific places on the genome and induce genes. ...

A worm-and-mouse tale: B cells deserve more respect

... Heligmosomoides polygyrus . The team also showed that B cells must be present in order for T cells to mature and operate properly. "It's long been dogma that B cells need the help of T cells to make antibody. That's in all the textbooks," said Lund. "Now work from our laboratory and others shows that ...

Rot's unique wood degrading machinery to be harnessed for better biofuels production

... Up until this study, the underlying genetics and biochemical mechanisms were poorly understood. DNA sequence is the first step in the central dogma of molecular biology first articulated over 50 years ago by Francis Crickthe transfer of information from DNA to RNA, which in turn, is translated ...

Team finds breast cancer gene linked to disease spread

... Directed Medical Research Programs. "This award mechanism seeks the 'best and the brightest' early-career researchers who will challenge current dogma and convention and who are the future innovators of breast cancer research," Kaime said. "Era of Hope Scholar Dr. Kang has already made exciting ...

1 missing gene leads to fruitless mating rituals

... which governs behavior. This direct connection surprised the scientists, who have studied other fruit fly courtship genes. "It goes against the dogma that was established for the olfactory and taste systems," said Hubert Amrein, Ph.D., of the Duke Department of Molecular Genetics and Microbiology. ...

Research identifies first method for testing, assessing drug treatments for Chagas' disease

... important to the big picture of immunology, however. This study shows that chronic infections do not by default exhaust the immune system. Current dogma on chronic infections is that constant stimulation of the immune system eventually wears it out, which is one of the problems in treating such ...

Group selection, a theory whose time has come...again

... an even more reductionistic move, genes were called the fundamental unit of selection, as if this was an argument against group selection. Scientific dogma became entrenched in popular culture with the publication of Richard Dawkins The Selfish Gene (1976). Although evidence in favor of group selection ...

Regulation of TATA-less promoters

... the other was the differential usage of TRF2 versus TBP within a gene cluster generally thought to be coordinately regulated. Just goes to show that dogma shifts constantly in this field of transcriptional control, explains Dr. Tjian. In eukaryotic cells, gene transcription is initiated when the RNA ...

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dogma in Biological Technology

New technique to compress light could open doors for optical communications

... both the wire and the metal, and these charges allow the energy to be sustained for longer distances. This finding flies in the face of the previous dogma that light compression comes with the drawback of short propagation distances, Zhang said. "Previously, if you wanted to transmit light at a ...

Principle of Recursive Genome Function Supersedes Dogmas; By Andras Pellionisz, Online Ahead of Print; (Scientific Visionary Vindicated)

... ago "the scientific community will need to rethink some long-held views". A happy few did not need to rethink either the "central dogma of molecular biology" (Crick, 1956) or the misnomer of "junk" DNA (Ohno 1972), since they never believed them in the first place. The ...

Berbees success is based on companys history and culture

... of the dot-com era as other information technology-focused companies failed. Started in 1993 by Jim Berbee , the company was founded on the dogma of creating an environment for success, embracing customer goals and trusting individuals judgment. This formula, according to Shain, is the reason ...

Human stem cells stand on their own

... trying to migrate down different developmental pathways. Maintaining stock cultures in their undifferentiated state is critical. The feeder cell dogma now can be overturned, says lead investigator Ren-He Xu, a senior scientist at WiCell, a private, nonprofit research institute. "This work completely ...

The Why Files celebrates decade of science exploration

... Devitt notes, provides a rich story-telling environment and sharing science in language that everyone can understand helps show that it isn't dogma or a simple collection of facts. "It is a very powerful way of looking at the world. It is also a very organized enterprise that involves human ...

Abbott vs. Thailand has implications for innovation and access

... his vision of a united United States but perhaps more importantly pointing out the state of mind required to achieve that vision. In our time, the dogma that innovation justifies high prices is not necessarily invalid, but we need to think anew and act anew. Previous articles by Ogan Gurel ...
dogma in Biological Definition

Genetics

... code for proteins ; see the original central dogma of genetics 1944 Oswald Theodore Avery , ... showed using RNA viruses that Watson's central dogma is not always true 1970 Restriction enzymes ... Related topics genetic screen central dogma of molecular biology gene regulatory network ...

DNA

... which they published in 1953 . Watson and Crick proposed the central dogma of molecular biology in 1957 , describing the process whereby proteins ... . In an influential presentation in 1957 , Crick laid out the " Central dogma ", which foretold the relationship between DNA, RNA, and proteins, and ...

Gene

... structure of DNA . Together, these discoveries established the central dogma of molecular biology , which states that proteins are transcribed from RNA which is translated from DNA. This dogma has since been shown to have exceptions, such as reverse transcription ...

Alternative splicing

... is needed in order to decide which polypeptide is produced, given a DNA sequence and pre-mRNA. (This does not necessarily negate the central dogma of genetics which is about the flow of information from genes to proteins). Since the ways of regulation are inherited, the interpretation of a ...

Molecular biology

... is the study of molecular underpinnings of the process of replication, transcription and translation of the genetic material . The central dogma of molecular biology where genetic material is transcribed into RNA and then translated into protein, despite being an oversimplified picture of ...

Prion

... yet responded to agents that disrupt proteins. Initially, this hypothesis was highly controversial, because it seemed to contradict the " central dogma of modern biology ", which asserts that all living organisms use nucleic acids to reproduce. Prusiner's idea — that a protein (which, unlike ...

Retrovirus

... only occur from DNA to RNA, reverse transcriptase transcribes RNA into DNA. The term "retro" in retrovirus refers to this reversal of the Central dogma of molecular biology . Reverse transcriptase activity outside of retroviruses has been found in almost all eukaryotes, enabling the generation and ...

Trait

... starts with DNA traveling to RNA and finally to protein (ultimately affecting organism structure and function). This is the Central dogma of molecular biology as stated by Francis Crick . This information flow may also be followed through the Cell as it travels from the DNA in ...

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dogma in Biological Dictionary

Central dogma

... The central dogma of molecular biology was first enunciated by ... a Nature paper published in 1970: central dogma of molecular biology Describes a key ... in the DNA molecule carries the central dogma ( ′sentrəl ′dögmə ) ( genetics ) The concept, ...

Reverse transcription

... n. A polymerase that catalyzes the formation of DNA on ... However, reverse transcription was at odds with the then-popular central dogma ... Reverse transcription is the process in which a double stranded DNA molecules ... Normal transcription involves the synthesis of RNA ...

Molecular biology

... Biology journal by members of the Special ... Molecular biology chiefly concerns itself with understanding the interactions ... The central dogma of molecular biology where genetic material is transcribed ... Prerequisite: Undergraduate molecular biology or biochemistry. ... MB ...

Liverworts

... gametophyte. thallose ... go to: hornworts, liverworts , mosses ... The name word liverworts means "Liver Herb" after a 19th century medieval dogma ... Liverworts are considered to be the first plant ... Identifying Liverworts ... A three-volume work on liverworts in New Zealand is ...

DNA sequence

... the primary structure of a real or hypothetical DNA molecule or strand, with the capacity to carry information as described by the central dogma of molecular biology. ... identical copies of a small sequence of DNA -- enough copies to allow a machine ... Sequence for Yourself | ...

Coding sequence

... the primary structure of a real or hypothetical DNA molecule or strand, with the capacity to carry information as described by the central dogma of molecular biology. ... sequence periodicity is what we will call here a sequence coding ... The table can be used to estimate the ...

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Other Contents
(Date:8/20/2014)... researchers have discovered that the immune system is defective in ... reason why sufferers have ongoing issues with pain. , The ... could also help to explain why some painkillers may ... (IBS) affects up to 10% of the community. There ... unexplained gut pain, which often has the greatest impact on ...
(Date:8/20/2014)... Barbara Bronson Gray ... -- Although it,s extremely rare, colds, flu and other ... elevated risk for stroke in children, a new study suggests. ... a stroke in the United States, said Dr. Heather Fullerton, ... and pediatrics at the University of California, San Francisco Benioff ...
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(Date:8/20/2014)... that the amygdala stimulates stress responses in adults, ... University have found that the amygdala has an ... development of nonhuman primates. , The results are ... . , The amygdala is a region of ... to threatening situations and learning about threats. Alterations ...
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(Date:8/20/2014)... suffered concussions ready to return to action? A new ... athletes who head back on the field with medical ... their abilities to simultaneously walk and do simple mental ... their balance and/or altered walking speed, was found in ... returned to activity in less than a month. Seven ...
(Date:8/20/2014)... few years, Virginia Tech,s Wu Feng has built upon ... the "Computing in the Cloud" program, and synergistically complemented ... award from the Air Force on "big computing" for ... the National Institutes of Health on "big data" for ... "parallel computing" aspects from each grant, he was able ...
(Date:8/20/2014)... A new gene therapy developed by researchers at ... shown to protect mice from a life-threatening heart condition ... new therapeutic avenue," said Yi Lai, Ph.D., the leading ... the MU School of Medicine,s Department of Molecular Microbiology ... we hope this could lead to a treatment for ...
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