This Budding Scientist-Entrepreneur Puts The Girls-In-STEM Problem In New Perspective

There's no doubt that women tend to steer clear of careers in science and technology--the statistics simply don't lie. Nor is there any doubt that the persistent gender disparity in STEM (science, technology, engineering, and math) fields represents a big problem for our competitiveness as a nation as well as for individual women. But why are women underrepresented in STEM? Some say girls are deterred by an "implicit bias" that leads us to see science and math as "male" fields. Others point to research showing gender discrimination against women who apply for STEM jobs. Sara Sakowitz, a 19-year-old freshman biomedical engineering major at Columbia University and a budding entrepreneur, has her own strong views on the matter. As she wrote in the Washington Post last year: "I believe that in their earliest years, girls lose their spark--they succumb to societal hurdles and mental obstacles that have existed for as long as they can remember. Instead of imaginary genetic weaknesses, girls battle false portrayals of female scientists in the media and fight against the unconscious, unspoken rule that only men belong as the leaders of the world." And Sakowitz certainly knows a thing or two about science. Growing up in Long Island, Sakowitz told the Huffington Post in a recent interview, she used to hang out at the medical office of her parents, both pulmonologists. Later, at an all-girls private high school on Manhattan's East Side, she led the ...
Source: Science - The Huffington Post - Category: Science Source Type: news

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Markus Hartl* and Rainer Schneider Center of Molecular Biosciences (CMBI), Institute of Biochemistry, University of Innsbruck, Innsbruck, Austria The neuronal proteins GAP43 (neuromodulin), MARCKS, and BASP1 are highly expressed in the growth cones of nerve cells where they are involved in signal transmission and cytoskeleton organization. Although their primary structures are unrelated, these signaling proteins share several structural properties like fatty acid modification, and the presence of cationic effector domains. GAP43, MARCKS, and BASP1 bind to cell membrane phospholipids, a process reversibly regulate...
Source: Frontiers in Oncology - Category: Cancer & Oncology Source Type: research
Lei Liu1,2,3, Lin Zhang1,2, Shuo Zhao4, Xu-Yang Zhao1,2, Peng-Xiang Min4, Ya-Dong Ma4, Yue-Yuan Wang4, Yan Chen1,2, Si-Jie Tang4, Yu-Jie Zhang2,4, Jun Du2,4 and Luo Gu2,4* 1Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, China 2Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, Nanjing, China 3Department of Physiology, Xuzhou Medical University, Xuzhou, China 4Department of Physiology, Nanjing Medical University, Nanjing, China Tumor cell migration is a critical step...
Source: Frontiers in Pharmacology - Category: Drugs & Pharmacology Source Type: research
Discussion Suppressor of cytokine signaling 1 is an essential molecule for maintaining immune homeostasis and subverting inflammation. Disorders arising from excess inflammation or SOCS1 deficiency can be potentially treated with SOCS1 mimetics (Ahmed et al., 2015). While SOCS1 has promising potential in many disorders, it should be noted that new targets and actions of SOCS1 are still being discovered and not all the effects of this protein are beneficial in autoimmune diseases and cancer. For instance, SOCS1 degrades IRS1 and IRS2, required for insulin signaling, via the SOCS Box domain, thus, limiting its potential in ...
Source: Frontiers in Pharmacology - Category: Drugs & Pharmacology Source Type: research
Conclusions The current review reports recent epidemiological and experimental data supporting the bright future of dietary polyphenols as chemopreventive, anti-inflammatory, immunomodulatory, and anticancer agents in CRC (Figure 1). The polyphenol-rich diet not only may represent a chemopreventive treatment but also has important function on immune system by promoting symbiont and commensal bacterial populations, increases reciprocal interaction between host and microbiota which in turn have important effects on immune function Evidence underlines the use of polyphenols as sensitizers of chemo/radiotherapies paving the w...
Source: Frontiers in Immunology - Category: Allergy & Immunology Source Type: research
Conclusion: These new findings indicated that the CCL2/CCR2 axis promoted the progression of SACC cells via recruiting and reprogramming TAMs. Targeting TAMs by blocking the CCL2/CCR2 axis might be a prospective strategy for SACC therapy. Introduction Salivary adenoid cystic carcinoma (SACC) is one of the most commonly diagnosed salivary gland malignancies, accounting for about 10% of all salivary gland neoplasms (1, 2). The typical characteristics of SACC include the recurrent growth, aggressive invasion, hematogenous metastasis, and chemotherapy refractory (2–4). Despite the great efforts paid in the treatm...
Source: Frontiers in Oncology - Category: Cancer & Oncology Source Type: research
In this study, we analyzed CpG methylation of PD-L1 promoter in MCF-7 and BT-549 breast cancer cells and tumorspheres derived from them. PD-L1 promoter was significantly hypomethylated in MCF-7 tumorspheres, but not from BT-549 tumorspheres, compared with their cell line counterparts. The active demethylation of PD-L1 promoter was confirmed by the increase in the distribution of 5hmC and decrease in 5mC levels and the upregulation of TET3 and downregulation of DNMTs enzymes in MCF-7 tumorspheres, compared with the cell line. Additionally, we checked the distribution of repressive histones H3K9me3, H3K27me3, and active hist...
Source: Journal of Oncology - Category: Cancer & Oncology Tags: J Oncol Source Type: research
In this study, we show that calorie restriction is protective against age-related increases in senescence and microglia activation and pro-inflammatory cytokine expression in an animal model of aging. Further, these protective effects mitigated age-related decline in neuroblast and neuronal production, and enhanced olfactory memory performance, a behavioral index of neurogenesis in the SVZ. Our results support the concept that calorie restriction might be an effective anti-aging intervention in the context of healthy brain aging. Greater Modest Activity in Late Life Correlates with Lower Incidence of Dementia ...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
Abstract Intratumoral heterogeneity of breast cancer remains a major challenge in successful treatment. Failure of cancer therapies can also be accredited to inability to systemically eradicate cancer stem cells (CSCs). Recent evidence points to the role of epithelial-mesenchymal transition (EMT) in expanding the pool of tumor cells with CSCs features. Thus, we assessed expression level as well as heterogeneity of CSCs markers in primary tumors (PT), lymph node metastasis (LNM), and circulating tumor cells (CTCs)-enriched blood fractions in order to correlate them with signs of EMT activation as well as clinicopat...
Source: Translational Oncology - Category: Cancer & Oncology Authors: Tags: Transl Oncol Source Type: research
We examined whether pomegranate extract (PE) alters characteristics of breast CSCs. Ability to grow as mammospheres is a hallmark of breast CSCs. PE inhibited mammosphere formation in two different cell lines, neoplastic mammary epithelial HMLER and breast cancer Hs578T. In addition, mammosphere-derived cells from PE treatment groups showed reduced mammosphere formation for at least two serial passages. These data indicate that PE inhibits CSC's ability to self-renew. In addition, incubation of mammospheres with PE reversed them into adherent cultures, indicating promotion of CSC differentiation. Epithelial-to-mesenchymal ...
Source: Nutrition and Cancer - Category: Cancer & Oncology Authors: Tags: Nutr Cancer Source Type: research
In this study, we found that miR-221/222 were overexpressed in highly aggressive breast cancer MDA-MB-231 cells, that are enriched in markers for epithelial-mesenchymal transition (EMT) and BCSCs, than in MCF-7 cells. Phosphatase and tensin homolog (PTEN) was confirmed to be the target of miR-221/222 in breast cancer cells. MiR-221/222 enhanced breast cancer cell growth, migration and invasion by downregulating PTEN. Importantly, both ectopic expression of miR-221/222 and PTEN knockdown increased the mammosphere formation capacity and the expression of the stemness marker ALDH1. MiR-221/222 lentivirus vector infe...
Source: Chemico Biological Interactions - Category: Biochemistry Source Type: research
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