Vesicular-arbuscular mycorrhizal (M) fungal colonization, growth, and nonstructural carbohydrate status of sour orange (Citrus aurantium L.) seedlings were compared at low- and high-phosphorus (P) supply following inoculation with four Glomus isolates: G. intraradices (Gi, FL208), G. etunicatum (Ge, UT316), G. claroideum (Gc, SC186), and Glomus sp. (G329, FL906). Nonmycorrhizal (NM) seedlings s...

Oxygen sensing is part of the homeostatic biological processes necessary for adaptation of living organisms to variable habitats and physiologic situations. Cellular responses to hypoxia can be acute or chronic. Acute responses depend mainly on O2regulated ion channels which mediate adaptive changes in cell excitability, contractility and secretory activity. The main O2 sensor mediating the acu...

Glomus jugulare is a rare slow growing tumor occurring within the jugular foramen that rarely presents with isolated symptoms. Although histologically benign, these tumors are locally destructive because of their proximity to the petrous bone, the lower cranial nerves, and the major vascular structures (Miller et al. (2009) and Silverstone (1973)). We wish to report a glomus jugulare tumor erod...

Glomus tumors are relatively uncommon neoplasms arising from modified smooth muscle cells that are normally found in specialized arteriovenous shunts in acral sites, especially the fingertips. This distribution reflects their function because the arteriovenous anastomoses of these areas, also known as the SucquetHoyer canals, are involved in temperature regulation. Sucquet-Hoyer canals are line...

Glomangiosarcoma represents a rare malignant variant of the benign glomus tumor that typically presents as a tender, slowly growing nodule with a predilection for the lower extremities. Unlike their benign counterparts, glomangiosarcomas may display aggressive characteristics such as large size, local invasion, and a tendency to recur after excision. Although wide local excision remains the tre...

A glomus tumor of the stomach is rare. It is difficult to diagnose the tumor before surgery by only endoscopic biopsy and radiography, and there is no established method of diagnosis before surgical treatment. Esophagogastroduodenoscopy (EGD) on a 50-year-old Japanese woman revealed a 10 mm submucosal tumor in the anterior wall of the gastric angle. Follow-up EGD revealed an increase in the siz...

BACKGROUND Paragangliomas are benign neuroendocrine tumors derived from the glomus cells of the vegetative nervous system. Typically, they are located in the region of the jugular bulb and middle ear. The optimal management is controversial and can include surgical excision, stereotactic radiosurgery and embolization. CASE REPORT We report the endovascular approach to three patients harboring...

Chemoreceptors for oxygen reside within the carotid body, but it is not known which cells actually sense hypoxia and by what mechanisms they transduce this information into afferent signals in the carotid sinus nerve. We have developed systems for the growth of glomus cells of the carotid body in dissociated cell culture. Here we demonstrate that, as in vivo, these cells contain the putative ne...

ABSTRACT Glomus tumours (GT), neoplasms of the glomus body comprise 4.5% of upper limb tumours. Seventy-five per cent of these occur in the hand, and most are subungual (50%). We performed a literature review and retrospective search of histopathologically confirmed GT seen from 1995 to 2009. Fifteen patients were identified, with an average age of 49.6 years. Eight were in the hand, 2 in the u...

Neurofibromatosis type 1 (NF1) is a disease characterized by increased tumorigenesis susceptibility, caused by mutations of the oncosuppressor gene NF1. The glomus tumor (GT) is a rare, very painful mesenchymal neoplasm, arising from the glomus body. In recent years, it has been highlighted the association between NF1 and GT. We report a case of a man aged 65 years, suffering from NF1, with int...