Calpain-1 and calpain-2 are calcium-dependent Cys-proteases ubiquitously expressed in mammalian tissues with a processive, rather than degradative activity. They are crucial for physiological mammary gland homeostasis as well as for breast cancer progression. A growing number of evidences indicate that their pleiotropic functions depend on the cell type, tissue and biological context where they are expressed or dysregulated. This review considers these standpoints to cover the paradoxical role of calpain-1 and -2 in the mammary tissue either, under the physiological conditions of the postlactational mammary gland regression or the pathological context of breast cancer. The role of both calpains will be examined and discussed in both conditions, followed by a brief snapshot on the present and future challenges for calpains, the two-gateway proteases towards tissue homeostasis or tumor development.
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http://dx.doi.org/10.3389/fcell.2023.1249317 | DOI Listing |
J Am Nutr Assoc
January 2025
School of Medicine, University of Granada, Granada, Spain.
Breast cancer (BC) is one of the leading causes of death and morbidity among women worldwide. Epidemiologic evidence shows that the risk of BC and other chronic diseases decreases as the proportion of whole plant foods increases, while the proportion of animal foods (fish, meat, poultry, eggs, seafood, and dairy products) and non-whole plant foods (e.g.
View Article and Find Full Text PDFEmerg Microbes Infect
January 2025
Department of Virology, Institute of Medical Science, University of Tokyo, Tokyo, Japan.
Sheng Li Xue Bao
December 2024
College of Life Sciences, Fujian Normal University; Fujian Key Laboratory of Developmental and Neuro Biology, Fuzhou 350117, China.
Cancer pain is one of the most common symptoms in patients with advanced cancer. In this study, we aimed to investigate the effects of the -related gene C (MrgC) receptors on bone cancer pain. Mechanical withdrawal threshold (MWT) and thermal withdrawal latency (TWL) were measured after the inoculation of Walker 256 mammary gland carcinoma cells into the tibia of adult Sprague-Dawley rats.
View Article and Find Full Text PDFJ Dairy Sci
January 2025
Department of Animal Science, Food and Nutrition (DIANA), Faculty of Agricultural, Food and Environmental Sciences, Università Cattolica del Sacro Cuore, 29122 Piacenza, Italy.
The mismatch between the nutrient intake from the diet and the output by the mammary gland causes a negative energy balance in transition dairy cows, that, if excessive, can promote several metabolic disorders. Other relevant phenomena occur during transition, such as inflammation at calving and changes in immunocompetence, redox balance, and mineral metabolism. Despite the efforts, some aspects of the adaptive mechanisms observed in the transition period still need to be clarified.
View Article and Find Full Text PDFAfr J Reprod Health
December 2024
Department of Mammary gland, The First Affiliated Hospital of Zhejiang Chinese Medical University(Zhejiang Provincial Hospital of Chinese Medicine), Zhejiang, 310006.
This study sought to compare bacterial abundance and diversity in milk and feces of healthy lactating women with patients suffering from lactation mastitis, explore the pathogenesis of lactation mastitis, and develop new ideas for its treatment and prevention from a microbiological perspective. A total of 19 lactating mastitis patients and 19 healthy lactating women were recruited. Milk and fecal Specimens were obtained from both groups, and microbial community structure was analyzed using 16S rRNA gene sequencing.
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