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... cells surrounded by wild-type cells) developed multiple osteochodromas on their long bones and other MHE related phenotypes, indicating that the sporadic loss of HS synthesis may represent the underlying cause for the MHE pathology (30,31). While these studies have been critical in establishing the ...
... cells surrounded by wild-type cells) developed multiple osteochodromas on their long bones and other MHE related phenotypes, indicating that the sporadic loss of HS synthesis may represent the underlying cause for the MHE pathology (30,31). While these studies have been critical in establishing the ...
Enriched Motor Neuron Populations Derived From Bacterial Artificial
... uman embryonic stem cells (hESCs)21 have received enormous attention because of their potential to produce somatic cells of all three germ layers, a property known as pluripotency. Recent advances in hESC biology have enabled the directed differentiation of hESCs into several types of neurons, inclu ...
... uman embryonic stem cells (hESCs)21 have received enormous attention because of their potential to produce somatic cells of all three germ layers, a property known as pluripotency. Recent advances in hESC biology have enabled the directed differentiation of hESCs into several types of neurons, inclu ...
NutriStem hESC XF Serum
... multi-faceted problems by enabling serum-free, animal component-free culture of hESC's on any type of feeder or matrix. Specifically, NutriStem hESC XF has been extensively tested and proven to maintain pluripotency in normal hESC lines. It has also been shown to support long-term growth of hESC's w ...
... multi-faceted problems by enabling serum-free, animal component-free culture of hESC's on any type of feeder or matrix. Specifically, NutriStem hESC XF has been extensively tested and proven to maintain pluripotency in normal hESC lines. It has also been shown to support long-term growth of hESC's w ...
Transient pluripotent cell populations in vivo
... populations has not been possible because few markers delineating this time in embryogenesis have been described. Of the reported proteins, the POU domain transcription factor Oct4 can be used to recognize all pluripotent cell populations (Rosner et al., 1990; Scholer et al., 1990), but only the Fgf ...
... populations has not been possible because few markers delineating this time in embryogenesis have been described. Of the reported proteins, the POU domain transcription factor Oct4 can be used to recognize all pluripotent cell populations (Rosner et al., 1990; Scholer et al., 1990), but only the Fgf ...
Information, Noise and Communication: Thresholds as Controlling
... a kind of molecular memory. The persistent memory for protein levels might induce cell individuality. Memory can only be present however if something has first been learnt. The learning mechanism involves the variable synthesis of specific proteins in this case, and such learning and memory capabili ...
... a kind of molecular memory. The persistent memory for protein levels might induce cell individuality. Memory can only be present however if something has first been learnt. The learning mechanism involves the variable synthesis of specific proteins in this case, and such learning and memory capabili ...
الشريحة 1 - ksupc.com
... additives safe to use for administration other than by injection. with sterile dosage forms, the requirement for safety prohibits the use of many additives that could be effective ...
... additives safe to use for administration other than by injection. with sterile dosage forms, the requirement for safety prohibits the use of many additives that could be effective ...
Infection processes
... that of Phytophthora cinnamomi by species of GttocLadtum and Trtchoderma, also affect prepenetration growth. These interactions have sometimes been exploited in biological control programs (see Chapter 27). Surface topography is used by some pathogens to locate suitable infection sites. Germ tubes o ...
... that of Phytophthora cinnamomi by species of GttocLadtum and Trtchoderma, also affect prepenetration growth. These interactions have sometimes been exploited in biological control programs (see Chapter 27). Surface topography is used by some pathogens to locate suitable infection sites. Germ tubes o ...
Cell (biology)
... prokaryotes is usually covered by a cell wall. This membrane serves to separate and protect a cell from its surrounding environment and is made mostly from a double layer of lipids (hydrophobic fat-like molecules) and hydrophilic phosphorus molecules. Hence, the layer is called a phospholipid bilaye ...
... prokaryotes is usually covered by a cell wall. This membrane serves to separate and protect a cell from its surrounding environment and is made mostly from a double layer of lipids (hydrophobic fat-like molecules) and hydrophilic phosphorus molecules. Hence, the layer is called a phospholipid bilaye ...
Ultrastructure of cell types of the olfactory epithelium in a catfish
... some thick protrusions combining with the cilia in the sensory epithelium of Belone belone. These protrusions simulate rod cell and they (op. cit.) considered this cell as a degenerated one. But the present study puts a question to its degenerated status because it has been observed that the rod cel ...
... some thick protrusions combining with the cilia in the sensory epithelium of Belone belone. These protrusions simulate rod cell and they (op. cit.) considered this cell as a degenerated one. But the present study puts a question to its degenerated status because it has been observed that the rod cel ...
Kidney Handling of Acids/Bases, and Renal Tubular Acidosis
... (and generates HCO3- for the ECF) (Image credit: Dr. McLaughlin May 4th 2012 lecture) ...
... (and generates HCO3- for the ECF) (Image credit: Dr. McLaughlin May 4th 2012 lecture) ...
Polycystin-2 functions as an intracellular calcium release channel.
... truncation mutant had reduced current amplitudes and required larger negative membrane potentials for channel activation than the wild-type protein (n = 18/18 channels from 4 ER microsome preparations; Fig. 2c). The slope conductance was reduced to 28 pS between −20 and −60 mV with barium as the cur ...
... truncation mutant had reduced current amplitudes and required larger negative membrane potentials for channel activation than the wild-type protein (n = 18/18 channels from 4 ER microsome preparations; Fig. 2c). The slope conductance was reduced to 28 pS between −20 and −60 mV with barium as the cur ...
Chapter 12
... • The sequential events of the cell cycle are directed by a distinct cell cycle control system, which is similar to a clock • The cell cycle control system is regulated by both internal and external controls • The clock has specific checkpoints where the cell cycle stops until a go-ahead signal is ...
... • The sequential events of the cell cycle are directed by a distinct cell cycle control system, which is similar to a clock • The cell cycle control system is regulated by both internal and external controls • The clock has specific checkpoints where the cell cycle stops until a go-ahead signal is ...
Muscle Cells - Circulation Research
... fixed, dehydrated, and prepared for autoradiography. In all studies, more than 800 cells were counted for each animal or slide, and at least five animals or slides were used for each group. ...
... fixed, dehydrated, and prepared for autoradiography. In all studies, more than 800 cells were counted for each animal or slide, and at least five animals or slides were used for each group. ...
The differentiation in vitro of the neural crest cells of the
... the primary site of function of s gene is within melanoblasts and that the function is also dependent on the skin environment. Although intensive efforts have been made by several investigators to study the differentiation of mouse neural crest (Rawles, 1947; Mayer, 1965,1967a,b, 1977), there have b ...
... the primary site of function of s gene is within melanoblasts and that the function is also dependent on the skin environment. Although intensive efforts have been made by several investigators to study the differentiation of mouse neural crest (Rawles, 1947; Mayer, 1965,1967a,b, 1977), there have b ...
An In Vitro Model for Neuroscience: Differentiation of SH
... Neuroscience, including research on Alzheimer´s disease, is hampered by the lack of suitable in vitro models to study the human nervous system. To counteract this, many attempts to differentiate cell lines into more neuron-like cells have been performed, resulting in partial expression of neuronal f ...
... Neuroscience, including research on Alzheimer´s disease, is hampered by the lack of suitable in vitro models to study the human nervous system. To counteract this, many attempts to differentiate cell lines into more neuron-like cells have been performed, resulting in partial expression of neuronal f ...
The Regulation of Translation in Reovirus-infected Cells
... Protein synthesis and 86Rb+ content in reovirus-infected cells The reovirus genome comprises ten different pieces of dsRNA, each one coding for a single protein (Joklik, 1981). These different proteins have been classified into groups according to size. Infection of HeLa cells with reovirus type 3 l ...
... Protein synthesis and 86Rb+ content in reovirus-infected cells The reovirus genome comprises ten different pieces of dsRNA, each one coding for a single protein (Joklik, 1981). These different proteins have been classified into groups according to size. Infection of HeLa cells with reovirus type 3 l ...
Membrane dynamics of dividing cells imaged by lattice light
... illumination in an LLSM is confined to a very thin plane, and the emitted fluorescence signal is observed along an optical axis orthogonal to the illumination plane. Exposure (and consequent photodamage) is thus restricted to the thin slice of the cell being imaged at any moment, and the image is un ...
... illumination in an LLSM is confined to a very thin plane, and the emitted fluorescence signal is observed along an optical axis orthogonal to the illumination plane. Exposure (and consequent photodamage) is thus restricted to the thin slice of the cell being imaged at any moment, and the image is un ...
PDF
... Previous work indicated that some early progeny of the M teloblasts make anterior non-segmental contributions (Zackson, 1982; Gleizer and Stent, 1993; Gline et al., 2009); consistent with this, we observed morphological features of anterior mesoderm not seen in segments (Figs. 2F–H). To further defin ...
... Previous work indicated that some early progeny of the M teloblasts make anterior non-segmental contributions (Zackson, 1982; Gleizer and Stent, 1993; Gline et al., 2009); consistent with this, we observed morphological features of anterior mesoderm not seen in segments (Figs. 2F–H). To further defin ...
Microtubules do not promote mitotic slippage when the spindle
... the lower the drug concentration the faster a cell escapes mitosis (Rieder and Maiato, 2004). The reasons for this remain vague. However, work on hamster (Andreassen and Margolis, 1994) and human nontransformed (Brito and Rieder, 2006) and cancer (Jordan et al., 1992) cells reveals that accelerated ...
... the lower the drug concentration the faster a cell escapes mitosis (Rieder and Maiato, 2004). The reasons for this remain vague. However, work on hamster (Andreassen and Margolis, 1994) and human nontransformed (Brito and Rieder, 2006) and cancer (Jordan et al., 1992) cells reveals that accelerated ...
Material ecologies for synthetic biology
... of isolated gene sequences resulting in clearly defined characteristics in an organism, much of what we understand in terms of the morphology and behavior of biological systems is derived from groups of different genes being expressed through the more complex (compared to the genome) proteome—the en ...
... of isolated gene sequences resulting in clearly defined characteristics in an organism, much of what we understand in terms of the morphology and behavior of biological systems is derived from groups of different genes being expressed through the more complex (compared to the genome) proteome—the en ...
The PXY-CLE41 receptor ligand pair defines a
... (Fig. 4A,E) is largely lost in 35S::CLE41 and IRX3::CLE41 plants (Fig. 4B,C,F,G). Some of the cells within the hypocotyl do have a xylem or phloem fate, but these tissues are completely interspersed such that xylem and phloem are no longer separated into recognisable domains. Phloem cell differentia ...
... (Fig. 4A,E) is largely lost in 35S::CLE41 and IRX3::CLE41 plants (Fig. 4B,C,F,G). Some of the cells within the hypocotyl do have a xylem or phloem fate, but these tissues are completely interspersed such that xylem and phloem are no longer separated into recognisable domains. Phloem cell differentia ...
Measuring the stiffness of bacterial cells from growth
... quantitative, reproducible assay that is capable of medium- or high-throughput analysis of cell stiffness. This approach is technically straightforward, incorporates components found in most biological labs and consists of an extendable platform that accommodates the assaying of cellular mechanical ...
... quantitative, reproducible assay that is capable of medium- or high-throughput analysis of cell stiffness. This approach is technically straightforward, incorporates components found in most biological labs and consists of an extendable platform that accommodates the assaying of cellular mechanical ...
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.