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Primitive in Medical News

Evolution and epilepsy

... animals that evolved earlier than vertebrates, including sea urchins and primitive organisms related to vertebrates called lancelets, sea squirts, and ... Human Genome Research Institute. Analysis of the channels from these primitive organisms solved the mystery. The Rise of the Sodium Channel The ...

Genome sequence of lancelet shows how genes quadrupled during vertebrate evolution

... 550 million years through a four-fold duplication of the genes of more primitive ancestors. The late geneticist Susumu Ohno argued in 1970 that gene ... have only 20,000 to 25,000 genes, which means that, if our ancestors' primitive genome doubled and redoubled, most of the duplicate copies of genes must ...

A new way to think about Earth's first cells

... team of researchers at Harvard University have modeled in the laboratory a primitive cell, or protocell, that is capable of building, copying and containing DNA. Since there are no physical records of what the first primitive cells on Earth looked like, or how they grew and divided, the research ...

Can shopping behavior indicate personality type?

... it into four levels of personality development: Normal, neurotic, primitive and psychotic. Normal consumers spend less than they earn and save for ... In addition, he found that compulsive shoppers usually fall within the primitive personality type, while psychotic personalities go overboard in spending, ...

PET can help guide treatment decisions for a common pediatric cancer

... imaging with MIBG alone may not reveal some malignant lesions in the body. Neuroblastomaa form of cancer that starts in certain types of very primitive developing nerve cells found in an embryo or fetusoccurs most frequently in infants and young children. There are about 650 new cases of the cancer ...

Six Researchers to Receive Prestigious Awards from the American Society of Hematology

... techniques of using the long-term culture system as means of understanding the proliferative and renewal properties of normal and malignant primitive human hematopoietic stem cells. Louis M. Staudt, M.D., Ph.D. , of the National Cancer Institute's Center for Cancer Research in Bethesda, ...

Stem Cells' "Suspended" State Preserved by Key Step, Scientists Report

... used to simulate normal cell specialization, the scientists detected no differentiation of cardiac muscle, and also no formation of a tissue known as primitive endoderm, which is essential for the embryo to survive and develop. Chd1 also was shown by the research team to be necessary for the ...

Humans Weren't Always 'So Special,' Expert Says

... millions of years to evolve THURSDAY, June 25 (HealthDay News) -- A 54-million-year-old skull has yielded the first detailed images of a primitive primate brain. The 1.5-inch-long skull was from an animal species called Ignacius graybullianus , part of a group of primates known as ...

Structures from the human immune system's oldest branch shed light on a range of diseases

... of proteins that "complement" the work of antibodies in destroying foreign invaders. They serve as a rapid defense mechanism in most species, from primitive sponges to humans. When complement proteins are triggered into action by a microbe, the proteins ultimately form a complex enzyme called C3 ...

Study Refutes Depression Gene Finding

... the different biologic pathways in the brain but, more importantly, how that brain is wired to respond to environmental factors. We're at the very primitive stages of knowledge." According to the authors of the current paper, published in the June 17 issue of the Journal of the American Medical ...

Discovery in amber reveals ancient biology of termites

... and the termite would starve if it didn't have the protozoa to aid in digestion. In this case they depend on each other for survival." Even more primitive termites may have fed on a range of things they could digest themselves, Poinar said, but eventually they acquired protozoa that dramatically ...

Stem Cell Breakthrough May Lead to MS Treatments

... the findings "absolutely critical" to moving toward clinical applications for MS, whether directly by injection of mature oligodendrocytes or more primitive precursor cells, because it both enables researchers to grow large quantities of these cells and to molecularly define the process by which that ...

Pathway to Wisdom May Be Found in Brain Circuitry

... heightened activity in several different areas of the brain. It appears that the neurobiology of wisdom involves an "optimal balance" between more primitive brain systems (the limbic system) and the more developed areas of the brain, the researchers said. "Understanding the neurobiology of wisdom may ...

Study finds biological clue in brain tumor development

... working on behalf of the Children's Cancer and Leukaemia Group (CCLG), have studied the role of the WNT biological pathway in central nervous system primitive neuroectodermal tumours (CNS PNET), a type of brain tumour that predominantly occurs in children and presently has a very poor prognosis. In a ...

Cell microenvironments hold key to future stem cell therapies

... become cancerous. Like cells in other types of tissue these breast epithelial cells are spawned from stem and progenitor cells that despite being primitive - essentially a cellular blank slate - possess the exact same genome as their differentiated daughters. Once it was widely held that adult stem and ...

PatientFYI is Revolutionizing the Way Patients Find the Best Doctors to Serve Their Needs

... find on a website such as PatientFYI -- with over 56% of them willing to pay more for a doctor they know delivers outstanding services. "The primitive days of having to make such an important decision based on limited information and the recommendation from one friend or family member, who's needs ...

McGill researchers discover gene that increases susceptibility to Crohn's disease

... in the intestinal wall. And that is Crohn's disease." "This gene also plays a central role in the regulation of fever, which is one of the most primitive defence mechanisms that exists in humans to fight the surrounding pathogenic bacteria," Dr. Hudson added. "DNA sequence variations in the NLRP3 gene ...

Scientists Create New Means to Study Disease Origins

... for deriving mouse ES cells didn't work in rats. The research team finally found a laboratory-based way to grow rat stem cells indefinitely in the primitive embryonic state. The research appears in the Dec. 26 issue of Cell . In another study published in the same issue of the journal, a team led ...

Hopes for AIDS Vaccine Still Alive Despite Setbacks

... and ready for when you get exposed to HIV." But there's yet one more hurdle unique to HIV. Unlike standard flu or cold viruses, HIV -- a more primitive retrovirus -- actually inserts a piece of its DNA into the genome of the human host cell. This "integration" begins within hours or days of ...

Not All Smiles Are Created Equal

... time. It's not clear why rejection may boost the ability to figure out when someone else is faking an emotion. It may have something to do with a primitive need to fit in with others and to detect what they're really thinking, said study lead author Michael Bernstein, a graduate student at Miami ...

Transplantation: 'molecular miscegenation' blurs the boundary between self and non-self

... Wilson Wong, senior researcher on the study from King's College London, states that although the findings are tantalizing, they represent only a very primitive understanding of this phenomenon. Nevertheless, he hopes "that this study will lead to a better understanding of the immune system to benefit the ...

For Rare Blood Disorder, Pumping Iron Is the Cure

... is the best available option for people with hemochromatosis MONDAY, Aug. 25 (HealthDay News) -- Bloodletting is often dismissed as a primitive form of medicine, in which early doctors attempted to rid the body of bad humors by draining the life-sustaining fluid. But there's at least one ...

North Carolina's Largest Health Insurer Turns 75

... at www.nchealthandhealing.com . The site launched in January and chronicles the health issues and practices of the Tar Heel state from the use of primitive herbal remedies to high-tech breakthroughs in modern medicine. Site visitors can learn about a wide variety of health topics, view photos depicting ...

Whom do we fear or trust?

... a human face, infants prefer the face. And there is evidence that face-seeking is deeply rooted in both the psyche and evolution as the amygdala, a primitive region of the brain, is stimulated when someone spies a scary face. While it may be true that people have little control over their facial ...

Montreal researchers prove that insulin-producing cells can give rise to stem-like cells in-vitro

... the journal Laboratory Investigation . The researchers have shown in vitro that insulin-producing β-cells (beta cells) can return to a more primitive developmental state called stem-like cells. This process is known as "dedifferentiation" and highlights the plasticity of this cell type. This same ...

Toothpick: New molecular tag IDs bone and tooth minerals

... new technique called "phage display" that can rapidly create and screen huge numbers of biomolecules for specific interactions. Phages are a primitive and ubiquitous class of viruses that infect bacteria. Some simple phages can be genetically modified to randomly assemble short sequences of amino ...

Leading worldwide cause of cardiovascular disease may be modified by diet

... specifically, has been hypothesized as one reason for the low cardiovascular disease rates in vegetarians, as well as in populations consuming primitive diets (generous in potassium and low in sodium). In isolated societies consuming diets high in fruits and vegetables, hypertension affects only 1 ...

Leading Worldwide Cause of Cardiovascular Disease May Be Modified by Diet

... specifically, has been hypothesized as one reason for the low cardiovascular disease rates in vegetarians, as well as in populations consuming primitive diets (generous in potassium and low in sodium). In isolated societies consuming diets high in fruits and vegetables, hypertension affects only 1 ...

Sense of Adventure Rests in Primitive Brain Region

... may also play role in less desirable addictions, expert says WEDNESDAY, June 25 (HealthDay News) -- Your sense of adventure comes from a primitive area of the brain called the ventral striatum, British researchers say. Scientists from the Wellcome Trust Centre for Neuroimaging at University ...

Mapping of prostate cancer genes opens the door to new treatments

... out as cancer stem cells. The cells renew themselves, are highly invasive, and have a longer lifetime than normal stem cells. They also feature a primitive epithelial phenotype and can differentiate to recapitulate phenotypes seen in prostate tumors. The cells are found in all stages and types of ...

CSHL scientists are part of consortium that sequences platypus genome

... which includes only four other subspecies (the other four being echidnas, varieties of spiny anteaters). The monotremes diverged from other primitive mammals about 166 million years ago, in the late Jurassic period -- a fact corroborated indirectly in the newly sequenced genome. Finding ...

Good luck indeed: 53 million-year-old rabbit's foot bones found

... how they compared with the Chinese fossils as well as living rabbits and pikas. They found that although the Indian fossils resemble pikas in some primitive features, they look more like rabbits in specialized bone features. Asked how many years of good luck one gets with a 53 million-year-old rabbit ...

Gender differences in language appear biological

... puts males at a disadvantage in more abstract language function, those kinds of sensory associations may have provided an evolutionary advantage for primitive men whose survival required them to quickly recognize danger-associated sights and sounds. If the pattern of females relying on an abstract ...

New genetic association with schizophrenia found by researchers

... which influences the development of skin cells (the epidermis): One clue may be that nerve cells and skin cells are derived from the same type of primitive cells early in the development of the embryo. Another link may be that features of epidermal development, such as the development of fingerprints, ...

First look: Princeton researchers peek into deepest recesses of human brain

... University has devised a new experimental technique that produces some of the best functional images ever taken of the human brainstem, the most primitive area of the brain. The scientists believe they may be opening the door to inquiries into a region that acts as the staging area for the brain ...

Controversies in science and technology explored in new book from Mary Ann Liebert

... on Stem Cell Research, for example, presents the surprising biological insight that embryonic stem cells are not from embryos, but derive from a primitive clump of cells known as a blastocyst, inviting the reader to wonder whether the debate would have been different if scientists had announced that ...

A functional immune system can be derived from embryonic stem cells, preliminary study finds

... the official journal of the American Society of Hematology. Embryonic stem cells (ESCs) are being intensely investigated as a renewable source of primitive cells theoretically able to regenerate all tissues and organs. The use of ESC-derived blood-forming cells may have an important advantage over ...

Researchers Hone in on Cancer Stem Cells for Melanoma

... in 2007 and 8,110 deaths. The cancer stem cell hypothesis posits that tumors (like other noncancerous tissues) derive from a small population of primitive cells, which can divide and differentiate to form both the bulk of the cancer, and also more stem cells. Because most chemotherapeutic agents kill ...

Research Reveals How Cells Store Fat

... databases, Silver and his colleagues have established that the two genes they identified -- dubbed FIT1 and FIT2 -- are present in the most primitive members of the advanced cell type called eukaryotes, which make up the human body. "One ancient gene goes all the way back to yeast," Silver said. ...

Fetal Alcohol Exposure May Prime Offspring for Alcoholism

... different smells in utero and becoming familiar may be something that has a role in developing smell and taste for alcohol. This is almost a primitive type of response. It has nothing to do with intelligence. It's just part of life preservation." In both cases, if the young rat had no more ...
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(Date:8/27/2014)... pathogens posing the greatest risk to Europe based upon ... of Liverpool researchers using a ,big data, approach to ... of Infection and Global Health ranked the top 100 ... animals using a system which, they believe, will help ... the spread of infectious diseases, including as a result ...
(Date:8/27/2014)... . , Charcot-Marie-Tooth ... affecting the peripheral nervous system. Researchers from the Department ... Medicine and University Medical Centre Gttingen have discovered that ... with the disease. These cells enwrap the nerve fibres ... the rapid transfer of electrical impulses. If Schwann cells ...
(Date:8/27/2014)... Outstanding basic research, a growing focus on translating ... care have earned the Herbert Irving Comprehensive Cancer ... and NewYork-Presbyterian Hospital an $18 million, five-year Cancer ... (NCI). The grant renews the center,s status as ... in New York City and one of only ...
Breaking Biology News(10 mins):Big data approach identifies Europe's most dangerous human and domestic animal pathogens 2Potential therapy for incurable Charcot-Marie-Tooth disease 2Herbert Irving Comprehensive Cancer Center awarded $18 million grant 2Herbert Irving Comprehensive Cancer Center awarded $18 million grant 3Herbert Irving Comprehensive Cancer Center awarded $18 million grant 4
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Breaking Medicine News(10 mins):Health News:Dr. Sabrina Fabi of Cosmetic Laser Dermatology Recognized as Vitals Top 10 Doctor 2Health News:Maryland Laser Skin and Vein Receives Diamond Status From Allergan 2Health News:Women for Water Partnership and Sharon Kleyne Call for Greater Women’s Role in Global Water Issues 2Health News:Women for Water Partnership and Sharon Kleyne Call for Greater Women’s Role in Global Water Issues 3Health News:Altec and Bond Consulting Services Receive Award from the International Association of Microsoft Channel Partners SoCal Chapter 2Health News:Altec and Bond Consulting Services Receive Award from the International Association of Microsoft Channel Partners SoCal Chapter 3Health News:Diet Doc’s Medical Weight Loss Programs Announce New Help for Patients Who Want to Overcome Depression Caused by Excess Weight 2Health News:Diet Doc’s Medical Weight Loss Programs Announce New Help for Patients Who Want to Overcome Depression Caused by Excess Weight 3
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