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Histological, histochemical and morphometric characteristics of diaphragm muscles from mdx and control mice were compared with those of hindlimb muscles [extensor digitorum longus (EDL), tibialis anterior (TA) and soleus (SA) muscles]. In contrast to mdx limb muscles, regeneration after muscle necrosis does not restore diaphragm muscle structure. In mdx(More)
Chemokines may play a role in leukocyte migration across the blood-brain barrier (BBB) during neuroinflammation and other neuropathological processes, such as epilepsy. We investigated the role of the chemokine receptor CCR5 in seizures. We used a rat model based on intraperitoneal kainic acid (KA) administration. Four months before KA injection, adult rats(More)
BACKGROUND Skeletal muscle is an interesting target for gene delivery because of its mass and because the vectors can be delivered in a noninvasive way. Adeno-associated virus (AAV) vectors are capable of transducing skeletal muscle fibers and achieving stable and safe transgene expression. To date, most animal experiments using AAV have been based on AAV(More)
Gene transfer to the central nervous system (CNS) has been approached using various vectors. Recombinant SV40-derived vectors (rSV40s) transduce neurons and microglia effectively in vitro, so we tested rSV40s gene transfer to the CNS in vivo, and characterized the distribution, duration and cell types transduced. We used rSV40s carrying Human(More)
We describe a probable recessive X-linked myopathy characterized by the presence of vacuolated muscle fibers. Four males and their shared maternal grandfather were affected. Clinical characteristics include juvenile onset, very slow progression, and predominant proximal muscle involvement. The clinical picture and the morphological findings are compared(More)
X-linked myopathy with excessive autophagy (XMEA, MIM 310440) is a rare inherited mild myopathy. We have used 32 polymorphic markers spanning the entire X chromosome to exclude most of the chromosome except the Xq28 region in a large XMEA family. Using three additional families for linkage analysis, we have obtained a significant two-point lod score with(More)
Cytochemical localization of calcium on muscle fibers from patients with X-linked vacuolated myopathy demonstrated strong sarcolemmal or vacuolar calcium deposits in histologically abnormal muscle fibers. All membrane attack complex-positive fibers demonstrated such calcium accumulation. Total content of calcium was significantly elevated in muscles from(More)
To understand the relationship between host antigen-presenting cells (APCs) and donor T cells in initiating graft-versus-host disease (GVHD), we followed the fate of host dendritic cells (DCs) in irradiated C57BL/6 (B6) recipient mice and the interaction of these cells with minor histocompatibility antigen- (miHA-) mismatched CD8+ T cells from C3H.SW(More)
Toll-like receptors (TLRs) have been implicated in the regulation of host responses to microbial Ags. This study characterizes the role of TLR4 in the innate immune response to intrapulmonary administration of Haemophilus influenzae in the mouse. Two different strains of mice efficiently cleared aerosolized H. influenzae concurrent with a brisk elaboration(More)
Transplantation of allogeneic islets can correct the metabolic abnormalities of Type I diabetes. Limited availability of donor pancreas tissues restricts the application of this therapeutic modality to a subset of eligible recipients. In an attempt to expand the utility of available donor human pancreas tissue, we developed a method to stimulate the(More)