Ag Decision Maker, December 2014, Vol. 19, no. 2

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Friday Facts, December 19, 2014, Vol. 237

Bureau of Nutrition and Health Promotion part of the Iowa Department of Public Health produces of weekly newsletter about the Iowa WIC Program for the State of Iowa citizen.

Ag Decision Maker, January 2015, Vol. 19, no. 3

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EPI Update, December 19, 2014

Weekly newsletter for Center For Acute Disease Epidemiology of Iowa Department of Public Health.

Ag Decision Maker, February 2015, Vol. 19, no. 4

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Ag Decision Maker, March 2015, Vol. 19, no. 5

A Business Newsletter for Agriculture

Triiodothyronine and nerve growth factor are required to induce cytoplasmic dynein expression in rat dorsal root ganglion cultures.

Beside the several growth factors which play a crucial role in the development and regeneration of the nervous system, thyroid hormones also contribute to the normal development of the central and peripheral nervous system. In our previous work, we demonstrated that triiodothyronine (T3) in physiological concentration enhances neurite outgrowth of primary sensory neurons in cultures. Neurite outgrowth requires microtubules and microtubule associated proteins (MAPs). Therefore the effects of exogenous T3 or/and nerve growth factors (NGF) were tested on the expression of cytoskeletal proteins in primary sensory neurons. Dorsal root ganglia (DRG) from 19 day old rat embryos were cultured under four conditions: (1) control cultures in which explants were grown in the absence of T3 and NGF, (2) cultures grown in the presence of NGF alone, (3) in the presence of T3 alone or (4) in the presence of NGF and T3 together. Analysis of proteins by SDS-polyacrylamide gel electrophoresis revealed the presence of several proteins in the molecular weight region around 240 kDa. NGF and T3 together induced the expression of one protein, in particular, with a molecular weight above 240 kDa, which was identified by an antibody against MAP1c, a protein also known as cytoplasmic dynein. The immunocytochemical detection confirmed that this protein was expressed only in DRG explants grown in the presence of NGF and T3 together. Neither control explants nor explants treated with either NGF or T3 alone expressed dynein. In conclusion, a combination of nerve growth factor and thyroid hormone is necessary to regulate the expression of cytoplasmic dynein, a protein that is involved in retrograde axonal transport.

Entretien d'un curé et d'un laïc sur la question "est-il permis d'assister aux messes des prêtres assermentés en vertu des lois du 7 vendémiaire an 4 & du 19 fructidor dernier" & quel est le sens de ce sermens ? ([Reprod.]) / par S. P. Ernst, curé d'Asden

Collection : Les archives de la Révolution française ; 8.702

Differential expression of 240 kDa ConA-binding glycoprotein in vitro and in vivo detected by immunochemical methods.

The expression of the 240 ConA-binding glycoprotein (240 kDa), a marker of synaptic junctions isolated from the rat cerebellum, was studied by immunocytochemical techniques in forebrain and cerebellum from rat and chicken, and in chick dorsal root ganglia. Parallel studies were carried out either on tissue sections or in dissociated cell cultures. In all cases non neuronal cells were not immunostained. The tissue sections of cerebellum from rat and chick exhibited 240 kDa glycoprotein immunoreactivity, especially in the molecular layer, while the forebrain sections from rat and chick did not show any significant immunostaining. In contrast, in dissociated forebrain cell cultures, all neuronal cells expressed 240 kDa glycoprotein immunoreactivity, while glial cells remained totally unlabelled. In tissue sections of dorsal root ganglion (DRG), sensory neurons expressed the 240 kDa only after the embryonic day (E 10). A large number of small neurons in the dorsomedial part of DRG were immunostained with 240 kDa glycoprotein antiserum, whereas only a small number of neurons in the ventrolateral part of the ganglia displayed 240 kDa immunoreactivity. In dissociated DRG cells cultures (mixed or neuron-enriched DRG cell cultures) all the neuronal perikarya but not their processes were stained. These studies indicate that 240 kDa glycoprotein expression is completely modified in cultures of neurons of CNS or PNS since the antigen becomes synthetized in high amount by all cells independent of synapse formation. This demonstrates that the expression of 240 kDa is controlled by the cell environment.

Iowa Department of Transportation Major Items - Preliminary Quantity Report, May 19, 2015; With Addendums

Weekly letting report

Drug Alert, March 19, 2015

Newsletter produced by Iowa Governor's Office of Drug Control Policy.

Ag Decision Maker, April 2015, Vol. 19, no. 6

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