News tagged with epithelial cells
Identifying key regulators of kidney injury
(Medical Xpress)—Micro-RNAs (miRNAs) are a recently discovered class of RNA molecules that regulate how genes are expressed. UCD researchers led by Conway Fellow, Professor Catherine Godson are studying the role of miRNAs ...
Diseases, Conditions, Syndromes
May 09, 2013 |
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Landmark study describes prostate cancer metastasis switch
Prostate cancer doesn't kill in the prostate – it's only once the disease travels to bone, lung, liver, etc. that it turns fatal. Previous studies have shown that loss of the protein E-Cadherin is essential for this metastasis. ...
Cancer
Apr 02, 2013 |
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New type of deadly lymphoma identified
An international research team has identified a new type of deadly intestinal lymphoma that is particularly common in Asia. The team, led by clinician-scientists from the SingHealth Academic Healthcare Cluster, also developed ...
Cancer
Apr 01, 2013 |
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Tracking the cell transitions that cause cancer
Researchers think that for cancer to develop, damaged cells have to undergo certain transitions that cause them to spread, or metastasize. Junior Tristan Bepler, a biology and computer science major, is te ...
Cancer
Mar 06, 2013 |
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Novel coronavirus well-adapted to humans, susceptible to immunotherapy
The new coronavirus that has emerged in the Middle East is well-adapted to infecting humans but could potentially be treated with immunotherapy, according to a study to be published on February 19 in mBio, the online open-a ...
Diseases, Conditions, Syndromes
Feb 19, 2013 |
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Researchers find new clue to clinical trial failures of MMP cancer therapies
Proposed cancer therapeutic drugs based on blocking the catalytic activities of matrix metalloproteinases (MMPs), which profoundly remodel the environment surrounding a breast cell, have performed poorly ...
Cancer
Feb 12, 2013 |
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Transition in cell type parallels treatment response, disease progression in breast cancer
A process that normally occurs in developing embryos – the changing of one basic cell type into another – has also been suspected of playing a role in cancer metastasis. Now a study from Massachusetts General Hospital ...
Cancer
Jan 31, 2013 |
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New findings on heat shock proteins may shed light on variety of debilitating diseases
UCLA researchers, in a finding that runs counter to conventional wisdom, have discovered for the first time that a gene thought to express a protein in all cells that come under stress is instead expressed only in specific ...
Medical research
Jan 29, 2013 |
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Understanding cell organization to tackle cancer
Scientists at The University of Manchester have identified how cells know which way up they need to be. The discovery could help in the fight against cancer because in the early stages of the disease the cells become disorganised.
Cancer
Dec 23, 2012 |
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Scientist uncovers how airway cells regenerate after chlorine gas injury
Scarring of the airways can lead to long-term breathing problems for some people exposed to high levels of chlorine gas from events such as an industrial accident, chemical spill following a train derailment or terroristic ...
Medical research
Dec 19, 2012 |
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Identification of developmental 'master switch' helps scientists explore function of infection-preventing cells
Every bite of food or drink of water is an invitation for potentially harmful bacteria and viruses to set up shop in the body. In order to protect against such invaders, the mucous membrane that lines the ...
Immunology
Dec 14, 2012 |
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Researchers devise a method for reprogramming cells in urine into neural progenitor cells
(Medical Xpress)—Researchers in China have developed a technique for reprogramming cells found in urine into neural progenitor cells that are capable of growing into neurons. In their paper published in ...
Medical research
Dec 10, 2012 |
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Study helps resolve debate about how tumors spread
A team of scientists, led by researchers at the University of California, San Diego School of Medicine, has shown for the first time how cancer cells control the ON/OFF switch of a program used by developing ...
Cancer
Nov 29, 2012 |
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MicroRNA makes triple-negative breast cancer homesick
Epithelial cells are homebodies – they like to attach to things and becoming detached initiates a form of cell suicide known as anoikis (literally "homeless" in Latin). But in order for cancer cells to metastasize they ...
Cancer
Nov 21, 2012 |
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Gene polymorphisms identified that are responsible for breast density and cancer risk
It has long been known that breast density, or mammographic density, is a strong risk factor for breast cancer, and that estrogen and progestin hormone therapy increases dense breast tissue. Now, a study published in BioMed ...
Cancer
Oct 24, 2012 |
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Epithelium
In biology and medicine, an epithelium is a tissue composed of cells that line the cavities and surfaces of structures throughout the body. Many glands are also formed from epithelial tissue. It lies on top of connective tissue, and the two layers are separated by a basement membrane.
In humans, epithelium is classified as a primary body tissue, the other ones being connective tissue, muscle tissue and nervous tissue.
Epithelium is often defined by the expression of the adhesion molecule e-cadherin (as opposed to n-cadherin, which is used by cells of the connective tissue).
Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport and detection of sensation and they commonly as a result present extensive apical-basolateral polarity (e.g. different membrane proteins expressed) and specialisation.
For more information about Epithelium, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
