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The effects of lowering barometric pressure on pain behavior and the stress hormone in mice with neuropathic pain.
PLoS One
January 2025
Department of Pain Medicine, Aichi Medical University, Nagakute, Aichi, Japan.
Background: Lowering barometric pressure (LP) can exacerbate neuropathic pain. However, animal studies in this field are limited to a few conditions. Furthermore, although sympathetic involvement has been reported as a possible mechanism, whether the sympathetic nervous system is involved in the hypothalamic-pituitary-adrenal (HPA) axis remains unknown.
View Article and Find Full Text PDFA new Leydig cell-exclusive Cre line allows lineage tracing of both fetal and adult Leydig cell populations in the mouse.
Endocrinology
January 2025
Reproduction, Mother and Child Health, Centre de recherche du centre hospitalier universitaire de Québec - Université Laval, Québec City, Québec, Canada, G1V 4G2.
Leydig cells produce hormones that are required for male development, fertility, and health. Two Leydig cell populations produce these hormones but at different times during development: fetal Leydig cells which are active during fetal life and adult Leydig cells that are functional postnatally. Historically, our ability to understand the origin and function of Leydig cells has been made difficult by the lack of genetic models to exclusively target these cells.
View Article and Find Full Text PDFResponse to induction chemotherapy modifies the effect of conventional prognostic factors in high-risk neuroblastoma: A report from the Children's Oncology Group.
EJC Paediatr Oncol
December 2024
Dana-Farber / Boston Children's Cancer and Blood Disorders Center and Harvard Medical School, Boston, MA, USA.
Background: Response to induction chemotherapy has been shown to predict outcome in patients with high-risk neuroblastoma (HR-NB), with those achieving a complete response (CR) having superior outcomes.
Methods: We evaluated whether conventional prognostic factors remain prognostic in subsets of patients defined by response to induction. 1244 Patients from four COG high-risk trials were included.
Investigating Endocrine Causes in Fluid Non-responsive Hypotension: An Interesting Case of a Pituitary Macroadenoma.
Cureus
December 2024
Internal Medicine, Max Smart Super Speciality Hospital, New Delhi, IND.
In this case, the message is conveyed that after ruling out sinister causes of hypotension, endocrine causes should also be considered, particularly in the light of a relatively long history, absence of any sepsis and organ dysfunction, preserved urine output, euvolemic status, and with no significant response to intravenous fluid. In our case, a patient with hypotension with relatively stable other clinical parameters has been evaluated to reveal pituitary macroadenoma as an underlying diagnosis.
View Article and Find Full Text PDFExtra-adrenal Pheochromocytoma of the Urinary Bladder in an Adolescent Female Patient.
Cureus
December 2024
Pediatric Radiology, Detroit Medical Center, Wayne State University, Detroit, USA.
Pheochromocytoma is a catecholamine-secreting tumor that arises from the medullary chromaffin cells but can rarely be extra-adrenal in origin. We present a case of a 16-year-old female patient with uncontrolled hypertension, despite being on lisinopril and metoprolol, and associated left-sided chest pain, recurrent headaches, and an unintentional weight loss of 10 pounds in one month. Laboratory work-up showed a markedly elevated plasma metanephrine level of 4463.
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