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Delta like 1 (DLK1) has been proposed to act as a regulator of cell fate determination and is linked to the development of various tissues including skeletal muscle. Herein we further investigated DLK1 expression during skeletal muscle remodeling. Although practically absent in normal adult muscle, DLK1 was upregulated in all human myopathies analyzed,(More)
Standardised skin biopsies followed by immunohistochemical examination for the presence of terminal nerve fibres reacting for neuropeptides substance P (SP) and calcitonin gene-related peptide (CGRP) were evaluated. Healthy subjects regularly displayed free nerve endings of both fibre types in the papillary and reticular dermis. Both fibre types were(More)
Triglyceride-containing lipid droplets (LD) are dynamic organelles stored on demand in all cells. These droplets grow through a fusion process mediated by SNARE proteins, including SNAP23. The droplets have also been shown to be highly motile and interact with other cell organelles, including peroxisomes and the endoplasmic reticulum. We have used electron(More)
OBJECTIVE Aggressive pituitary tumours may be difficult to treat. Temozolomide (TMZ) is an alkylating cytostaticum. In a small number of cases, TMZ therapy has been reported to reduce pituitary tumour size and hormone hypersecretion. DESIGN We present three patients with pituitary tumours treated with TMZ. One tumour was initially a macroprolactinoma that(More)
Immunomorphological staining demonstrates that class I major histocompatibility complex (MHC)-coded antigen expression can be selectively induced on otherwise class I-negative rat nerve cells by peripheral axotomy. Induction of class I as well as class II antigen expression was simultaneously seen on non-neural cells in the immediate vicinity of the injured(More)
After a peripheral nerve lesion (rat facial and sciatic) an induction of major histocompatibility complex (MHC) antigens class I was detected immunohistochemically in skeletal muscle fibers and motor neurons. This MHC expression was transient after a nerve crush, when regeneration occurred, but persisted after a nerve cut, when regeneration was prevented.(More)
OBJECTIVES Patients with prolactinomas and patients with acromegaly often have heterogenous adenomas. In this study we have focused on patients with prolactinomas who developed acromegaly and acromegalic patients with hyperprolactinaemia. Our hypothesis is that some patients with hyperprolactinaemia may develop clinical acromegaly. METHODS We have(More)
Helicobacter pylori-like organisms (HPLOs) were isolated from the gastric mucosa of two Sumatran tigers and identified by polymerase chain reaction analysis as Helicobacter acinonyx. At histological examination, both tigers revealed a chronic gastritis associated with HPLOs as demonstrated by immunolabelling and electron microscopy. This is the first(More)