News tagged with molecular pathways
'Scrawny' gene keeps stem cells healthy
Biology /
Jan 07, 2009 |
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(PhysOrg.com) -- Stem cells are the body's primal cells, retaining the youthful ability to develop into more specialized types of cells over many cycles of cell division. How do they do it? Scientists at the ...
Common herbal medicine may prevent acetaminophen-related liver damage
Nov 17, 2009 |
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A well-known Eastern medicine supplement may help avoid the most common cause of liver transplantation, according to a study by researchers at the Stanford University School of Medicine. The finding came as a surprise to ...
Researchers reverse the cognitive impairment caused by sleep deprivation
Oct 22, 2009 |
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(PhysOrg.com) -- A research collaboration led by biologists and neuroscientists at the University of Pennsylvania has found a molecular pathway in the brain that is the cause of cognitive impairment due to sleep deprivation. ...
Malignant signature may help identify patients likely to respond to therapy
Sep 06, 2009 |
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A molecular signature that helps account for the aggressive behavior of a variety of cancers such as pancreatic, breast and melanoma may also predict the likelihood of successful treatment with a particular anti-cancer drug. ...
Researchers discover pathway with implications for obesity
Jun 03, 2009 |
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(PhysOrg.com) -- Cornell scientists have discovered how two related proteins and their roles in a key molecular pathway are critical to creating obesity-causing fat cells.
Key protein may explain the anti-aging and anti-cancer benefits of dietary restriction
May 22, 2009 |
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A protein that plays a key role in tumor formation, oxygen metabolism and inflammation is involved in a pathway that extends lifespan by dietary restriction. The finding, which appears in the May 22, 2009 edition of the ...
Scientists Identify Stem-Cell Genes That Help Form Plant Organs
Biology /
Feb 24, 2009 |
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(PhysOrg.com) -- Plant stem-cells are master cells located at the tip of the stem and are part of a structure called the shoot apical meristem (SAM). Here, the stem cells—all clumped together—divide throughout ...
Researchers identify gene that helps plant cells keep communication channels open
Biology /
Feb 17, 2009 |
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Plant cells communicate via microscopic channels called plasmodesmata that are embedded in their cell walls. For the stem cells in the plants' growing tips, called "meristems," the plasmodesmata are lifelines, allowing nutrients ...
Reaching the summit of protein dynamics
Dec 10, 2009 |
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Understanding the incredibly speedy atomic mechanisms at work when a protein transitions from one shape to another has been an elusive scientific goal for years, but an essential one for elucidating the full ...
ID3 provides career counseling for blood progenitors, driving the creation of gamma-delta T cells
Oct 15, 2009 |
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Like an unusually forceful career counselor, the Id3 protein decides the fate of a given white blood cell precursor, according to researchers at Fox Chase Cancer Center. Their findings, published today in the journal Immunity, de ...
Flu boosts heart-attack risk, says study
Sep 21, 2009 |
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Heart problems may account for a huge share of deaths from influenza, according to a study published on Tuesday that recommends cardiac patients be vaccinated against flu.
Scientists find common trigger in cancer and normal stem cell reproduction
Aug 06, 2009 |
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Researchers at Stanford University School of Medicine have discovered, for the first time, a common molecular pathway that is used by both normal stem cells and cancer stem cells when they reproduce themselves.
Researchers identify genes linked to chemoresistance
Jul 20, 2009 |
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Two genes may contribute to chemotherapy resistance in drugs like 5-fluorouracil, which is used in liver cancer treatment, according to Virginia Commonwealth University Massey Cancer Center researchers.
Researchers identify genes that cause melanoma
Jul 06, 2009 |
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Scientists from the Queensland Institute of Medical Research (QIMR) have found two new genes that together double a person's risk of developing melanoma.
Engineering autism: Mice with extra chromosome region show many autistic signs
Jun 25, 2009 |
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Mice who inherit a particular chromosomal duplication from their fathers show many behaviors associated with human autism, researchers report in the June 26th issue of the journal Cell, a Cell Press Publication. The duplic ...
