Fibroblasts are key cells in tissue repair and important contributors to the inflammatory response. Insulin-like growth factors (IGFs) have been shown to participate in growth, in immune responses and in tissue repair where they stimulate cell growth. Neurotensin (NT) has been suggested to participate in inflammation and in tissue repair and is an autocrine or paracrine growth factor for several cancer cell types. Here we show that IGF-induced proliferation of fibroblasts is enhanced by NT in a concentration and type 1 NT-receptor dependent manner. This action of NT was blocked by inhibitors of phospholipase C and protein kinase C but not by inhibitors of phosphoinositide-3-kinase. An inhibitor of MEK 1/2 significantly reduced the proliferative effects of the IGFs but NT's ability to enhance IGF-induced proliferation was not effected. The ability of NT to enhance IGF-induced proliferation did not involve an autocrine factor. These results suggest that interactions between NT and the IGFs may contribute to the regulation of fibroblasts in for example, inflamed or injured tissues.
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Background: VG-3927 is a highly potent, selective, brain penetrant, oral small molecule TREM2 agonist that is currently under development for the treatment of Alzheimer's disease (AD). TREM2, a receptor expressed on microglia in the brain is critical to microglial function in health and in disease. Among microglia-associated AD risk genes, partial loss-of-function variants of TREM2 confer 2-3 fold increase in risk for developing AD, motivating efforts to identify pharmacological agonists targeting TREM2 as a therapeutic option.
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The discovery of novel counteractive pharmaceuticals, which have recently generated much interest, has played a significant role in the development of drugs derived from herbal medicines or botanical sources. Paederia foetida (P. foetida) is one such example of a role in both traditional and traditional medicine.
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Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, 1968917313, Tehran, Iran.
The 5,000 to 8,000 monogenic diseases are inherited disorders leading to mutations in a single gene. These diseases usually appear in childhood and sometimes lead to morbidity or premature death. Although treatments for such diseases exist, gene therapy is considered an effective and targeted method and has been used in clinics for monogenic diseases since 1989.
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Department of Orthopedics and Traumatology, Ondokuz Mayıs University, Samsun, Turkey.
Purpose Of The Study: Open (incisional) biopsies have long been accepted as the gold standard in diagnosing bone and soft tissue tumors. However, the main disadvantage of this method is that it can lead to increased contamination, hematoma, infection, and pathological fracture. Compared to open biopsies, percutaneous core needle biopsies are less invasive, do not require hospitalization, have low costs and low complication rates, and there is no need for wound healing in cases that require radiotherapy.
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