A multi-institutional team of researchers has reported the development of an anti-IL-8 antibody against endometriosis using recycling antibody engineering technology. The study confirmed the role of the inflammatory cytokine IL-8 in the development of inflammation and fibrosis in endometriosis and showed that administration of IL-8 antibodies in primate models improved endometriosis pathology.
Researchers led by Congcong He at Northwestern University have found that exercise caused contracting muscles to secrete a glycoprotein called fibronectin (FN1) that induced autophagy in the liver which, in turn, drove insulin sensitization. They reported their findings online in Cell Metabolism on Feb. 21, 2023. He is an assistant professor of cell and developmental biology at the Feinberg School of Medicine.
A study by researchers in Spain suggests that current metagenomic analyses of the microbiome can yield erroneous results, largely due to the incomplete databases that are used to identify microbial DNA sequences. A team led by Clemente Fernández Arias and Federica Bertocchini at the Centro de Investigaciones Biológicas Margarita Salas, Madrid, evaluated current microbiome analysis techniques on computer simulations of microbial communities in a report published on Feb. 8 in PLOS ONE.
Researchers at Indiana University School of Medicine are exploring avenues to heal wounds by identifying proteins that are active in fetuses, but largely inactive in adults and absent in diabetic adults. They have identified a protein called nonselenocysteine-containing phospholipid hydroperoxide glutathione peroxidase, or NPGPx, that fits the bill and could be the basis for therapies aimed at diabetic wound healing. NPGPx is a direct transcriptional target of miR-29. miR-29 is downregulated in fetal tissue, thus NPGPx is active in fetal tissue but becomes mostly inactive in the skin after birth.
Researchers at Indiana University School of Medicine are exploring avenues to heal wounds by identifying proteins that are active in fetuses, but largely inactive in adults and absent in diabetic adults. They have identified a protein called nonselenocysteine-containing phospholipid hydroperoxide glutathione peroxidase, or NPGPx, that fits the bill and could be the basis for therapies aimed at diabetic wound healing. NPGPx is a direct transcriptional target of miR-29. miR-29 is downregulated in fetal tissue, thus NPGPx is active in fetal tissue but becomes mostly inactive in the skin after birth.
In a study published in the online edition of Proceedings of the National Academy of Sciences on Jan. 23, 2023, a team of scientists from Frederick National Laboratory for Cancer Research and the University of California, San Francisco (UCSF) described how neurofibromin 1 (NF1) missense mutations act in a dominant negative manner through dimerization with wild-type neurofibromin.
Being able to detect cancers early can substantially improve survival, but most early detection tests for cancer rely on expensive and sophisticated molecular techniques that might be difficult to implement in resource strapped environments. Two new studies published last week attempt to overcome this problem.
Although ovarian cancers appear to be immunologically active, they do not respond well to immunotherapy in the clinic. In a study published on Dec. 14, 2022, in Nature, a multidisciplinary team at Memorial Sloan Kettering Cancer Center (MSK) led by Sohrab Shah and Dmitriy Zamarin has uncovered several mechanisms of immune evasion that can help explain why ovarian cancers have been resistant to immunotherapy to date.
Ovarian cancer is ordinarily associated with poor survival; patients diagnosed with high-grade serous ovarian carcinoma (HGSC) have an overall survival of about 40% at 5 years and 15% at 10 years. Despite having similar histologic features, HGSC patients often experience highly variable outcomes and the underlying determinants for long-term survival (LTS) are largely unknown. In a study published online in Nature Genetics, a multi-institutional group of researchers tried to determine the molecular differences that drive LTS in patients with HGSC.
Ovarian cancer is ordinarily associated with poor survival; patients diagnosed with high-grade serous ovarian carcinoma (HGSC) have an overall survival of about 40% at 5 years and 15% at 10 years. Despite having similar histologic features, HGSC patients often experience highly variable outcomes and the underlying determinants for long-term survival (LTS) are largely unknown. In a study published online in Nature Genetics, a multi-institutional group of researchers tried to determine the molecular differences that drive LTS in patients with HGSC.