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Mitochondrial involvement in tracheary element
Mitochondrial involvement in tracheary element

... AIF, diablo) play key roles in the mitochondrial pathway.8,9 There are at least two mechanisms in animal cells for the release of cytochrome c into cytoplasm and both require active participation of the mitochondria. 10,11 The first mechanism occurs directly via the voltage-dependent anion channel ( ...
The yeast integral membrane protein Apq12 potentially links
The yeast integral membrane protein Apq12 potentially links

... Because of these genetic interactions, we examined the localization of several Nup-GFP fusion proteins in apq12∆ cells at 23°C (Fig. 2). We also examined the localization of Nup159/Rat7 and Pom152 by indirect immunofluorescence (IF) using antibodies directed against each protein. Nuclear basket comp ...
PULP
PULP

...  Collagen increase is noted in the medial & adventitial layers of blood vessels as well.  Decrease in the size of pulp.  Plaques may appear in pulpal vessels.  Calcifications in the walls of blood vessels is found most often in the region near the apical foramen. ...
Mathematical model of the cell division cycle of fission yeast
Mathematical model of the cell division cycle of fission yeast

... large.24 Without such a coordinating mechanism, cells cannot be kept alive over the long term. In fact, mutant fission yeast cells lacking this coordination die because they become either too large (cdc2 ⫺ ) or too small (wee1 ⫺ rum1⌬). How cytoplasmic mass exerts its control over the cell cycle eng ...
EMBO REPORT SUPPLEMENTARY SECTION Quantitation of
EMBO REPORT SUPPLEMENTARY SECTION Quantitation of

... determine whether non-specific disruption of anterior structures is responsible for the reduction in cyclin A2 and cdk2 observed upon Notch activation. While Notch-ICD and XSu(H)-ANK disrupted Pax6 expression in a minority of embryos (35%, n=52 and 15%, n=41 respectively) (Figure S2C, F), cyclin A2 ...
Early Development
Early Development

... At what point in gatrulation do notocordal cells become distinct? ...
Cancer Association of South Africa (CANSA) Fact Sheet on
Cancer Association of South Africa (CANSA) Fact Sheet on

... factors, these medications are artificial versions of substances found naturally in one’s bone marrow. Some growth factors, such as erythropoietin alfa (Epogen) or darbepoetin alfa (Aranesp), can reduce the need for blood transfusions by increasing red blood cells. Others may help prevent infections ...
Just One View: Invariances in Inferotemporal Cell Tuning
Just One View: Invariances in Inferotemporal Cell Tuning

... have been explained either as a result of object-specific learning4 or as a result of a normalization procedure (“shifter”) that is applied to any image and hence requires only one object-view for recognition. 12 A problem with previous experiments has been that they did not illuminate the mechanism ...
Mechanism of efficient transfection of the nasal airway
Mechanism of efficient transfection of the nasal airway

... involving an exacerbated rate of uptake of pDNA is consistent with the results of Figure 3. Widdicombe et al32 have shown that human tracheal cells exposed to RITC-labeled dextran (2000 kDa) in deionized water efficiently take up this fluorescent macromolecule. Koberna et al33 have also demonstrated ...
Kwak, 2005 - U of L Class Index
Kwak, 2005 - U of L Class Index

... At1g11130 gene (Fig. 1D). This gene encodes a predicted leucine-rich repeat receptorlike protein kinase (LRR-RLK). No biological function has been reported or assigned to this gene/protein. DNA fragments from this gene region were introduced into scm-1 GL2::GUS mutant plants, and an 8.4-kb fragment ...
Microtubule reorganization during mitosis and cytokinesis: lessons
Microtubule reorganization during mitosis and cytokinesis: lessons

... Graham et al., 2000), which gives rise to the cell plate resulted from the fusion of Golgi-derived vesicles. Plant cytokinesis is primarily dependent on microtubules (MTs), unlike that in animal and fungal cells which employ the actomyosin contractile ring (Guertin et al., 2002). Studies of mitosis ...
Epidermal club cells do not protect fathead minnows against
Epidermal club cells do not protect fathead minnows against

... 6 days. These results indicate that club cells do not provide specific protection against these skinpenetrating parasites. Diplostomules of Ornithodiplostomum sp. traverse the epidermis to reach their ultimate site of encystment. Thus, they must come into contact with various components of the epide ...
Cell-Cell Interactions
Cell-Cell Interactions

... that multicellular organisms employ as “growth factors” during development. Water-soluble signals cannot diffuse through cell membranes. Therefore, to trigger responses in cells, they must bind to receptor proteins on the surface of the cell. These cell surface receptors (figure 7.6) convert the ext ...
αvβ3 integrin-dependent endothelial cell dynamics in
αvβ3 integrin-dependent endothelial cell dynamics in

... movies, endothelial cells are labeled with Cy3-QH1 and appear white unless otherwise noted. All still images found in figures that have been taken from movies, are inverted so that the endothelial cells and structures appear as black on a white background. The normal vasculogenesis of a HH stage 8 q ...
Hemocyte marker proteins and regulation of the proPO system in a
Hemocyte marker proteins and regulation of the proPO system in a

... The melanization reaction is an important immune reaction in arthropods (Cerenius et al., 2008) (Figure 2). It is a rapid immune response important in encapsulation and killing of microbial pathogens in invertebrates and melanin depositions are often observed on the surface of invading parasites in ...
Involvement of the cytoskeleton in Junin virus multiplication
Involvement of the cytoskeleton in Junin virus multiplication

... nucleocapsid-associated protein (NP, molecular mass 63 kDa) and the main envelope glycoprotein exposed on the virion surface (GP1 or GP38, molecular mass 38 kDa), derived by proteolytic cleavage from a cell-associated precursor (GPC, molecular mass 65 kDa). Although the identification of actin assoc ...
Embryonic stem cells form an organized, functional
Embryonic stem cells form an organized, functional

... system in vitro. Although several molecular markers have been shown to delineate components of the cardiac conduction system in vivo, the functional characteristics of the cells expressing these markers remain unknown. The ability to accurately identify cells that function as cardiac pacemaking cell ...
This is meat
This is meat

... •Two different types of fat can be found in meat, visible and invisible. •The colour of meat varies due to the red protein called myoglobin and some haemoglobin remaining in the muscles. Exposure to oxygen increases the red colour of meat. •Lean meat consists of water, protein, fats, vitamins and mi ...
topic #4: angiosperm anatomy and selected aspects
topic #4: angiosperm anatomy and selected aspects

... (A) Parenchyma is made up of common undifferentiated cells; it is the main “ground” tissue system. Specialized tasks depend on location (e.g., parenchyma in stem may serve a storage function, as in the common “Irish” potato, whereas parenchyma in a leaf is usually specialized for photosynthesis). (B ...
Literature review - Ilizarov journal
Literature review - Ilizarov journal

... I.E. Mikusev and co-authors (2013) [8] report on the analysis of management of 53 patients. Traumatic skin degloving occurred in 18 of them due to a bus, trolley bus, truck, or car wheel motion over the body parts. According to foreign literature, degloving injuries are rather common. In particular, ...
TSO1 functions in cell division during Arabidopsis flower development
TSO1 functions in cell division during Arabidopsis flower development

... In ap2-1 tso1-1 double mutants, whorl 1 organs are leaf-like with branched trichomes (Fig. 4B,C), while in ap2-2 tso1-1 double mutants, whorl 1 organs exhibit carpelloid features such as thick carpel walls and the development of ovule primordia (Fig. 4E,F). Organs interior to the first whorl in eith ...
How to protect red wounds
How to protect red wounds

...  This type of exudate is frequently seen in open wounds.  we often need to distinguish whether the exudate is dark or bright. Bright indicate fresh blood, whereas dark exudate denotes older bleeding. ...
Stimulation of Tumor Necrosis Factor Release
Stimulation of Tumor Necrosis Factor Release

... of the paraneoplastic syndromes associated with malignancy such as hypercalcemia, cachexia and leukocytosis. ...
MULTIPLE CHOICE. Choose the one alternative that best completes
MULTIPLE CHOICE. Choose the one alternative that best completes

... C) intermediate filaments. D) microfilaments. E) the cell wall. 42) Which of the following is not a known function of the cytoskeleton? A) to hold mitochondria and other organelles in place within the cytosol B) to provide mechanical support to the cell C) to maintain characteristic shape of the cel ...
This is meat - Meat and Education
This is meat - Meat and Education

... •Two different types of fat can be found in meat, visible and invisible. •The colour of meat varies due to the red protein called myoglobin and some haemoglobin remaining in the muscles. Exposure to oxygen increases the red colour of meat. •Lean meat consists of water, protein, fats, vitamins and mi ...
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Tissue engineering



Tissue engineering is the use of a combination of cells, engineering and materials methods, and suitable biochemical and physicochemical factors to improve or replace biological functions. While it was once categorized as a sub-field of biomaterials, having grown in scope and importance it can be considered as a field in its own right.While most definitions of tissue engineering cover a broad range of applications, in practice the term is closely associated with applications that repair or replace portions of or whole tissues (i.e., bone, cartilage, blood vessels, bladder, skin, muscle etc.). Often, the tissues involved require certain mechanical and structural properties for proper functioning. The term has also been applied to efforts to perform specific biochemical functions using cells within an artificially-created support system (e.g. an artificial pancreas, or a bio artificial liver). The term regenerative medicine is often used synonymously with tissue engineering, although those involved in regenerative medicine place more emphasis on the use of stem cells or progenitor cells to produce tissues.
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