Related Experiment Video
Updated: Jun 23, 2025
04:41
Digital PCR for Quantifying Circulating MicroRNAs in Acute Myocardial Infarction and Cardiovascular Disease
Published on: July 3, 2018
8.1K
Circulating MicroRNA as a Potential Biomarker for Skeletal Disease in Primary Hyperparathyroidism: A Case-control
Heather Wachtel1,2, Jae P Ermer1, Douglas L Fraker1,2
1Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, PA.
Annals of Surgery
|June 17, 2024
Summary
Primary hyperparathyroidism (PHPT) is linked to a distinct microRNA (miRNA) signature. These specific miRNAs correlate with parathyroid hormone (PTH), suggesting a role in bone remodeling.
Area of Science:
- Endocrinology
- Molecular Biology
- Bone Metabolism
Background:
- Primary hyperparathyroidism (PHPT) is characterized by elevated bone turnover and reduced bone density.
- MicroRNAs (miRNAs) are recognized as key regulators of bone remodeling processes.
Purpose of the Study:
- To identify specific microRNA (miRNA) expression patterns in patients with Primary hyperparathyroidism (PHPT).
- To discover potential miRNA biomarkers indicative of bone homeostasis in PHPT patients.
Main Methods:
- A prospective case-control study involving postmenopausal females with PHPT and matched controls.
- Measurement of 27 serum miRNAs associated with bone remodeling.
- Linear regression analysis to correlate miRNA levels with biochemical markers and bone mineral density (BMD).
Main Results:
- Nine differentially expressed miRNAs were identified in PHPT patients compared to controls.
- These miRNAs significantly correlated with serum parathyroid hormone (PTH) and calcium levels.
- A distinct miRNA signature differentiated PHPT patients from controls, as shown by principal component analysis.
Conclusions:
- PHPT exhibits a unique miRNA profile, distinguishable from postmenopausal and idiopathic osteoporosis.
- The correlation of specific miRNAs with PTH suggests a PTH-mediated mechanism in miRNA regulation of bone remodeling in PHPT.
Related Concept Videos
00:59The Parathyroid Glands
2.0K
The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
Oxyphil cells, whose functions remain elusive, emerge during late puberty, adding a layer of complexity to the parathyroid gland's intricacies. In contrast, principal parathyroid cells undertake a vital role by...
Oxyphil cells, whose functions remain elusive, emerge during late puberty, adding a layer of complexity to the parathyroid gland's intricacies. In contrast, principal parathyroid cells undertake a vital role by...
2.0K
01:22MicroRNAs
3.0K
MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
3.0K
01:17Hormones and Bone Tissue
2.7K
The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
2.7K