Stimulation of naive T cell adhesion and immunological synapse
... 2002 Blackwell Science Ltd, Immunology, 106, 289–298 ...
... 2002 Blackwell Science Ltd, Immunology, 106, 289–298 ...
Review Article Oncogene: The Dominant Evil
... that normally control what kind of cell it is and how often it divides. When a protooncogene mutates (changes) into an oncogene, it becomes a "bad" gene that can become permanently turned on or activated when it is not supposed to be. When this happens, the cell grows out of control, which can lead ...
... that normally control what kind of cell it is and how often it divides. When a protooncogene mutates (changes) into an oncogene, it becomes a "bad" gene that can become permanently turned on or activated when it is not supposed to be. When this happens, the cell grows out of control, which can lead ...
Spatial regularity among retinal neurons
... In this chapter, we ‘zoom out’ from the study of individual retinal neurons and circuits to a consideration of how these individuals are organized across the retinal surface. In particular, we focus on an almost universal tendency for these neurons to lie in regular patterns. Although regularity can ...
... In this chapter, we ‘zoom out’ from the study of individual retinal neurons and circuits to a consideration of how these individuals are organized across the retinal surface. In particular, we focus on an almost universal tendency for these neurons to lie in regular patterns. Although regularity can ...
Protists – The Simplest Eukaryotes
... single large mitochondrion Trypanosomes include human pathogens that are transmitted by insects • African sleeping sickness (T. brucei) is spread by tsetse flies • Chagas disease (T. cruzi) is spread by bloodsucking bugs ...
... single large mitochondrion Trypanosomes include human pathogens that are transmitted by insects • African sleeping sickness (T. brucei) is spread by tsetse flies • Chagas disease (T. cruzi) is spread by bloodsucking bugs ...
chapter 9 telomeres and telomerase in adult stem cells and
... A current model suggests that short telomeres represent a chronic type of DNA damage which is propagated to daughter cells and that can cause aging by impairing the ability of adult stem cells (SC) to regenerate and repair tissues, as well as that leads to cell loss via induction of cell senescence ...
... A current model suggests that short telomeres represent a chronic type of DNA damage which is propagated to daughter cells and that can cause aging by impairing the ability of adult stem cells (SC) to regenerate and repair tissues, as well as that leads to cell loss via induction of cell senescence ...
Experimental and genetic analysis of root development in
... noticed the ordered patterns of cell division and the resulting regularity of cell files. Early workers focused on understanding division patterns within root meristerns. Histological studies provided evidence for the existence of a few "initial cells" from which all root ...
... noticed the ordered patterns of cell division and the resulting regularity of cell files. Early workers focused on understanding division patterns within root meristerns. Histological studies provided evidence for the existence of a few "initial cells" from which all root ...
Primary cilia and polycystic kidney disease
... cilium is found on many different cell types in the mammalian body [(Wheatley et al., 1996), and http://www.bowserlab.org/primarycilia/ cilialist.html] and occurs as a solitary, nonmotile (with the exception of nodal cilia, see below), hair-like cell appendix extending from the basal body. In contra ...
... cilium is found on many different cell types in the mammalian body [(Wheatley et al., 1996), and http://www.bowserlab.org/primarycilia/ cilialist.html] and occurs as a solitary, nonmotile (with the exception of nodal cilia, see below), hair-like cell appendix extending from the basal body. In contra ...
Why the activity of a gene depends on its neighbors
... in the estrogen response and globin production, respectively [20,21]. An example – SAMD4A We now illustrate how a gene might become active, using SAMD4A (sterile alpha motif domain containing 4A) as an example (Figure 2A). Although many other genes have been studied in great detail, this gene has va ...
... in the estrogen response and globin production, respectively [20,21]. An example – SAMD4A We now illustrate how a gene might become active, using SAMD4A (sterile alpha motif domain containing 4A) as an example (Figure 2A). Although many other genes have been studied in great detail, this gene has va ...
Block 3 - Miss Organelle Pageant
... thanks for all your hard work today! Couldn't have moved as quick without you! February 29th, 2012 yeah great job! happy leap year! 1 Comment ...
... thanks for all your hard work today! Couldn't have moved as quick without you! February 29th, 2012 yeah great job! happy leap year! 1 Comment ...
Developmental programmed cell death in plants Hideo Kuriyama
... under such conditions. Likewise, two similar TE PCDspecific papain-like cysteine proteases with acidic pH optima accumulate in the vacuole of differentiating TEs [11,35,36]. These results clearly indicate that the vacuole strengthens its function as a lytic organelle by accumulating and releasing a ...
... under such conditions. Likewise, two similar TE PCDspecific papain-like cysteine proteases with acidic pH optima accumulate in the vacuole of differentiating TEs [11,35,36]. These results clearly indicate that the vacuole strengthens its function as a lytic organelle by accumulating and releasing a ...
9 NCD Ch 6 | The cortical plate
... darkly shaded than the youngest neurons (born on E20-21). Notice that there is little overlap in cell birthdays between the primordial plexiform layer and the lower tier of the cortical plate. Likewise, there is little overlap in cell birthdays between the upper and lower tiers of the cortical plate ...
... darkly shaded than the youngest neurons (born on E20-21). Notice that there is little overlap in cell birthdays between the primordial plexiform layer and the lower tier of the cortical plate. Likewise, there is little overlap in cell birthdays between the upper and lower tiers of the cortical plate ...
Teacher Copy of Cell Structure Meet and Greet
... Makes lipids and removes harmful s ubstances from the cell ...
... Makes lipids and removes harmful s ubstances from the cell ...
neurons
... • Neurilemma Functions in Repair of Neurons – Mature Neurons Are Not Capable of Mitosis – Repair of Neurons Requires Intact Cell Body and the Presence of a Neurilemma • Neurilemma Serves as the Guiding Tunnel ...
... • Neurilemma Functions in Repair of Neurons – Mature Neurons Are Not Capable of Mitosis – Repair of Neurons Requires Intact Cell Body and the Presence of a Neurilemma • Neurilemma Serves as the Guiding Tunnel ...
Connecting signaling and cell cycle progression in growth
... stimulated cells, and they all appear to involve a change in the subcellular localization of the Grb2/Sos complex. Grb2 is an SH3-SH2-SH3 adapter protein that mediates binding of Sos to activated receptors. The Grb2/Sos complex is constitutive, and in resting cells, is primarily cytoplasmic. Tyrosin ...
... stimulated cells, and they all appear to involve a change in the subcellular localization of the Grb2/Sos complex. Grb2 is an SH3-SH2-SH3 adapter protein that mediates binding of Sos to activated receptors. The Grb2/Sos complex is constitutive, and in resting cells, is primarily cytoplasmic. Tyrosin ...
Chapter 4
... formed by centrioles which become membrane-anchored structures called basal bodies Cilia are short (10-25 µm) and numerous while flagella are long (50-75 µm) but few in any cell Copyright © 2009 Pearson Education Inc. ...
... formed by centrioles which become membrane-anchored structures called basal bodies Cilia are short (10-25 µm) and numerous while flagella are long (50-75 µm) but few in any cell Copyright © 2009 Pearson Education Inc. ...
Learning Grid Module 2
... What is the role of the loop of Henle? 1. The loop of Henle descends to the __________ region of the kidney. Fill in the blanks: 2. The loop of Henle ascends to the __________ region of the kidney. How does the arrangement of the loop of Henle cause the tissue fluid in the medulla to reach a very lo ...
... What is the role of the loop of Henle? 1. The loop of Henle descends to the __________ region of the kidney. Fill in the blanks: 2. The loop of Henle ascends to the __________ region of the kidney. How does the arrangement of the loop of Henle cause the tissue fluid in the medulla to reach a very lo ...
Select Acetophenones Modulate Flagellar Motility in Chlamydomonas
... dimethyl sulfoxide (DMSO), the solvent used to prepare acetophenone stock solutions, had no effect on either phototaxis or cell viability (Table 2). Interestingly, three compounds, 4-methoxyacetophenone, 3,4-dimethoxyacetophenone, and 4-hydroxyacetophenone, demonstrated the surprising effect of indu ...
... dimethyl sulfoxide (DMSO), the solvent used to prepare acetophenone stock solutions, had no effect on either phototaxis or cell viability (Table 2). Interestingly, three compounds, 4-methoxyacetophenone, 3,4-dimethoxyacetophenone, and 4-hydroxyacetophenone, demonstrated the surprising effect of indu ...
Enhanced B7-2 Gene Expression by Interferon
... cells were incubated at 37°C in a 5% CO2-humidified atmosphere in Dulbecco’s modified Eagle’s medium (DMEM) tissue culture (Advance Biotechnology, Columbia, MD) supplemented with 50 U/mL penicillin, 50 µg/mL streptomycin, 2 mmol/L L-glutamine, and 15% heatinactivated fetal bovine serum (FBS) (Hyclon ...
... cells were incubated at 37°C in a 5% CO2-humidified atmosphere in Dulbecco’s modified Eagle’s medium (DMEM) tissue culture (Advance Biotechnology, Columbia, MD) supplemented with 50 U/mL penicillin, 50 µg/mL streptomycin, 2 mmol/L L-glutamine, and 15% heatinactivated fetal bovine serum (FBS) (Hyclon ...
Human/Mouse Glucokinase/GCK Antibody
... Hexokinases phosphorylate hexose to form hexose 6phosphate, the first step for hexose metabolism. There are four mammalian hexokinases (I, II, III and IV) and hexokinase IV is commonly known as glucose kinase (GCK). Unlike hexokinase I, II and III, which have high affinity for glucose and are stro ...
... Hexokinases phosphorylate hexose to form hexose 6phosphate, the first step for hexose metabolism. There are four mammalian hexokinases (I, II, III and IV) and hexokinase IV is commonly known as glucose kinase (GCK). Unlike hexokinase I, II and III, which have high affinity for glucose and are stro ...
Cytotoxic T Cells Sufficient to Induce Primary and Memory Soluble
... priming (11). The factors that empower the DC are unknown, but it is known that CD40 triggering can up-regulate costimulatory molecules and inflammatory cytokines such as IL-12 (22). The essential costimulatory requirements for generation of T cell memory are not defined. Although CD28-B7 interactio ...
... priming (11). The factors that empower the DC are unknown, but it is known that CD40 triggering can up-regulate costimulatory molecules and inflammatory cytokines such as IL-12 (22). The essential costimulatory requirements for generation of T cell memory are not defined. Although CD28-B7 interactio ...
Possible new intranuclear symbionts of Paramecium caudatum
... from both locations are rod-shaped gram-negative bacteria with similar size; they occupy the Ma and often form dense aggregations; inside the aggregation chromatin bodies are less dense and nucleoli are absent, while outside the group of symbionts the structure of Ma doesn’t differ from that of the ...
... from both locations are rod-shaped gram-negative bacteria with similar size; they occupy the Ma and often form dense aggregations; inside the aggregation chromatin bodies are less dense and nucleoli are absent, while outside the group of symbionts the structure of Ma doesn’t differ from that of the ...
New roles for Nanos in neural cell fate determination revealed by
... transcription in Hydractinia commences at the morula/gastrula stage (Plickert et al., 2006). Nanos2 was a maternal transcript, asymmetrically deposited in the prospective oral pole of the embryo and in a Nuage-like deposition around the nuclei of early cleavage stages (Fig. 2A,B). A similar expressi ...
... transcription in Hydractinia commences at the morula/gastrula stage (Plickert et al., 2006). Nanos2 was a maternal transcript, asymmetrically deposited in the prospective oral pole of the embryo and in a Nuage-like deposition around the nuclei of early cleavage stages (Fig. 2A,B). A similar expressi ...
Diefenbach, A., J.K. Hsia, M.Y. Hsiung, and D.H. Raulet. 2003. A novel ligand for the NKG2D receptor activates NK cells and macrophages and induces tumor immunity. Eur J Immunol 33:381-391.
... NKG2D ligands A database search for mouse nucleotide sequences similar to the human ULBP, using the “tblastn” algorithm, revealed a cDNA sequence with significant similarity to ULBP1 (Fig. 1). The cDNA clone (NCBI accession number AK020784) was derived and sequenced from a neonatal C57BL/6 (B6) thym ...
... NKG2D ligands A database search for mouse nucleotide sequences similar to the human ULBP, using the “tblastn” algorithm, revealed a cDNA sequence with significant similarity to ULBP1 (Fig. 1). The cDNA clone (NCBI accession number AK020784) was derived and sequenced from a neonatal C57BL/6 (B6) thym ...