mitochondria

Mitochondrial DNA mutations play significant role in prostate cancer

...arate from nuclear DNA, is foundin the hundreds of mitochondria located in the cytoplasm outside ofeach cell's nucleus. The mitochondria often are called the "powerhouse"of the cell because they produce about 90 percent of the body's ene...

Critical role in programmed cell death identified

...artmouth Medical School, reveals the importance of mitochondria in cell death in the roundworm C. elegans, enhanci...ria. Using genetics, we could rigorously show that mitochondria are part of it. It unifies two different hypothesis and makes worms a great model to analyze how cel...

Nano-Probes Allow an Inside Look at Cell Nuclei

...r cellular organelles besides the nucleus, such as mitochondria and Golgi bodies. And because quantum dots emit different colors of light based on their size, they can be used to observe the transfer of material between cells. "We can have two different quantum dots in two different cells, and watch as the cells...

Novel ultrafast laser detection of cancer cells also may improve understanding of stem cells

...g spectrometer, instantly identify cancer-modified mitochondria in cells gone wrong. Mitochondria are known as the... in normal and cancer cells by using intracellular mitochondria as biomarkers for disease. This technique holds promise for detecting cancer at a very early stage a...

A human parasite with a streamlined mitochondrion

...ein, called a mitochondrial carrier, that in human mitochondria exists in many different specialized versions. In humans, these diverse carriers are needed to import and export the varied chemicals required, or produced, by our complex mitochondria. The presence of a single carrier in the Entamoeba mitosome means...

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mitochondria at Biology Products

Mitochondria Isolation Kit for Tissue and Cultured Cells from BioChain

...ion Kit is designed to isolating intact and active mitochondria in a fast and easy way. One kit is consisted of re...ts enough for performing 100 isolations (enriching mitochondria from 10 20 g tissue or from 1x10 10 5x10 10 cells)....

Anti-Heat Shock Protein 75 (hsp75) (TRAP-1) Ab-2 Monoclonal Antibody, Unconjugated from Lab Vision

...5). It was found that human TRAP-1 is localized to mitochondria and exhibited ATPase activity that was inhibited by both geldanamycin and radicicol indicating that TRAP-1 has functions that are distinct from those of hsp90. It was also found that TRAP-1 had a biochemical activity to refold denatured retinoblastom...

Isolated Mitochondria Staining Kit from Sigma-Aldrich

The kit measures mitochondria intactness and detects events that dissipate the m...imple, and convenient method for staining isolated mitochondria and for assaying mitochondria intactness Contains all the reagents required for the detection of c...

Rabbit Anti-Peroxiredoxin 1 Polyclonal Antibody, Unconjugated from GeneTex

...ing complicated distribution including peroxisome, mitochondria and cytosol. Immunogen: Synthetic peptide: LVSDPKRTIAQD, corresponding to amino acids 103-114 of Human Peroxiredoxin 1. Specificity: This antibody detects Peroxiredoxin 1 protein in human samples. The antibody is specific for Peroxiredoxin 1 an...

MitoLight Mitochondrial Apoptosis Detection Kit from CHEMICON

...rker. MitoLight is a mitochondrial dye that stains mitochondria in living cells in a membrane potential-dependent fashion. The monomer is in equilibrium with so-called J-aggregates, which are favored at higher dye concentration or higher mitochondrial membrane potential. MitoLight partitions differently in healt...

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mitochondria at Biology Technology

Sub-Micron Gold Particles Are Superior to Larger Particles for Efficient Biolistic Transformation of Organelles and Some Cells

...reinhardtii chloroplasts and S. cerevisiae mitochondria was achieved by particle bombardment with the ...and the COXI gene from the plasmid present in the mitochondria of the transformant restores respiratory growth. Bombardment conditions were as foll...

Cell lines expressing recombinant aequorin and a G-protein coupled receptor for functional screening

...diated measurement of calcium ion concentration in mitochondria of living cells. Methods in Enzymology 260 , 417-428. Santella, L., Carafoli, E. (1997) Calcium signaling in the cell nucleus. FASEB J. 11 , 1091-1109. Sheu, Y.-A., Kricka, L.J., Pritchett, D.B. (1993) Measurement of intracellular c...

QBT Fatty Acid Uptake Assay Kit datasheet

...e utilized for diverse cellularprocesses including mitochondria oxidation,membrane synthesis and energy storage.Pathologically increased intracellular fatty acidconcentrations can cause cellular apoptosis andhave been linked to insulin desensitization, Type2 diabetes, obesity and cardiovascular disease.All of the...

Glossary for The BioPharm Guide to Fermentation and Cell Culture

...e structures involved in cellular movement. mitochondria Animal-cell organelles that reproduce using their own DNA. They metabolize nutrients to provide the cell with energy and are believed to have once been symbiotic bacteria. Chloroplasts are their plant-cell equiva lents. m...

mitochondria at Biology Definition

Vacuole

...s; this is called autophagy. First, cytoplasms , mitochondria , and small organelles are covered with multiplex plasma membranes called autophagosomes. Next, the autophagosomes fuse the vacuoles. Finally, the cytoplasms and the organelles are degraded. In a vacuole of budding yeast, a black particle sometime...

Thylakoid

... generation in chloroplasts is similar to that in mitochondria ....

Symbiogenesis

...d by a protozoan . Today both chloroplasts and mitochondria are believed to have such an origin; see endosym... be attributed to it. For instance, the origin of mitochondria made the development of animals possible, but there is no indication of other symbiogeneses that sep...

Spermatogenesis

... energy transducing neck region of tightly packed mitochondria to finally become mature testicular spermatozoa. They are then released into the lumen of the seminiferous tubule and travel with fluid from the testis into the epididymis for further maturation processes allowing them to swim forward and fertiliz...

Spermatid

...w a tail, develop a thickened mid-piece where the mitochondria become localised and form an acrosome . Spermatid DNA also undergoes packaging, becoming highly condensed. The DNA is packaged firstly with specific nuclear basic proteins, which are subsequently replaced with protamines during spermatid elongat...

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mitochondria at Biology Dictionary

Vascular plants

...changes have been detected among transcript s of mitochondria l and chloroplast DNA s of vascular plants . U ... as yet unknown mechanism, appear to occur in the mitochondria l RNA of Pteridophytes. Full article >>> leaf -- An organ found in most vascul...

Uric acid

...#62; amino groups and carbon dioxide; occurs in mitochondria l and cytoplasm ic compartments of the liver . ureotelic Organ isms which excrete excess nitrogen in the form of urea . uricotelic Organ isms which excrete excess nitrogen in the form of uric acid ... Full article >>>...

Urea cycle

... from amino groups and carbon dioxide; occurs in mitochondria l and cytoplasm ic compartments of the liver . ureotelic Organ isms which excrete excess nitrogen in the form of urea . Full article >>> Most of these defects cause significant disability that cannot be treated satisfactorily by su...

Urea

... from amino groups and carbon dioxide; occurs in mitochondria l and cytoplasm ic compartments of the liver . ureotelic Organ isms which excrete excess nitrogen in the form of urea . Full article >>> In 1828, Friedrich Whler published a paper about the synthesis of urea , proving that organ ...

Unicellular

... A few groups of unicellular eukaryotes lack mitochondria : the symbiotic microsporidians, metamonads, and entamoebids, and the free-living pelobionts. Full article >>> In addition, only unicellular organ isms (or organ isms with totipotent cell lines) can have an evolution ary benefit...

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mitochondria at Medicine News

Beer does good

...rgy needed by cells to function properly. When the mitochondria found in the cells of the outer lens of eye are da... in the beer could help. "Antioxidants protect the mitochondria against this damage. We think that may be one of the factors that's contributing to the lower risk o...

Hidden influenza virus protein found

...earchers saw large amounts of this molecule in the mitochondria of flu infected cells, and we knew it was a real protein.It turns out that this protein is created when ribosomes, the cellular machines that translate genes into proteins, begin reading the influenza gene called PB-1 in what was previously believed ...

Genetic mutation to the 'fountain of youth' discovered

...esulted from a symbiotic "capture" of free-flowing mitochondria "organisms" by ancient cells. They are the "powerh...ation of energy for the entire cell to use. These mitochondria are found only in the human egg and not in the sperm and are passed from cell to cell only by cell d...

New breed of mice to live longer

..., US, can produce high levels of catalase in their mitochondria of the cells. This had lessened the cellular danma...t the production of high levels of catalase in the mitochondria of human cells. ....

Ceramide can target and kill cancer cells

...or cells through the vasculature, and disrupts the mitochondria of the cells. In mice these bundles of ceramide targets and destroys only breast cancer cells, leaving the surrounding cells healthy and functional. The results of the study came up in the new issue of the journal Clinical Cancer Research. Referen...

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mitochondria at Medicine Products

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Rapidly progressive

...he central nervous system due to problems in the mitochondria - tiny structures that are the 'power stations' in every cell . Full article >>> Symptoms: CJD is a rapidly progressive dementia . Initially, patients experience problems with muscular coordination; personality changes, including i...

Hypotonia

...cle biopsy shows a key diagnostic finding (absent mitochondria in the center of many type I muscle fiber s). Full article >>> Low muscle tone, or stiff muscle s -Low muscle tone ( hypotonia ) may show up as difficultly holding the head up or keeping the trunk of the body steady. The stiff ...