scispace - formally typeset
Search or ask a question

What are the current literature reviews on the use of DMBA as a carcinogen in breast cancer development? 


Best insight from top research papers

Current literature reviews highlight the significance of 7,12-dimethylbenz(a)anthracene (DMBA) as a carcinogen in breast cancer development. Studies have utilized DMBA-induced animal models in rats to mimic breast cancer, showcasing the induction of tumors and metastasis. Proteomic analysis in rat models exposed to DMBA revealed alterations in protein profiles associated with mammary carcinogenesis. Additionally, research has explored the inhibitory effects of isothiocyanates on DMBA-induced carcinogenesis, showing a decrease in carcinogenicity with their application. Furthermore, investigations into the therapeutic potential of Diosgenin encapsulated chitosan nanoparticles in DMBA-induced mammary oncogenesis have demonstrated hepato- and nephro-protective effects, indicating a promising avenue for breast cancer treatment.

Answers from top 4 papers

More filters
Papers (4)Insight
DMBA-induced mammary tumorigenesis in mice is a widely used model for studying breast cancer development, reflecting the multistep process with high relevance and accuracy.
Not addressed in the paper.
DMBA is utilized to induce breast cancer in animal models, revealing modulation of estrogen receptors α and β, aiding in understanding breast cancer development and potential treatment strategies.
Not addressed in the paper.

Related Questions

What is the current understanding of the role of ADM in the development and progression of breast cancer?4 answersAntibody-drug conjugates (ADCs) have revolutionized breast cancer treatment by delivering potent chemotherapy specifically to cancer cells while sparing normal cells. These ADCs consist of an antibody targeting a tumor antigen, a cytotoxic payload, and a linker connecting the two components. Despite the challenges of off-target toxicities and drug resistance, innovative non-internalizing ADCs targeting the tumor microenvironment have shown promise in reducing resistance and enhancing effectiveness. Additionally, the recent approval of ADCs like sacituzumab govitecan and trastuzumab deruxtecan, along with ongoing clinical trials, signifies a growing field with improved therapeutic options for breast cancer patients. Understanding the mechanisms of ADC action and their potential in breast cancer therapy highlights the evolving landscape of targeted treatments for this disease.
What activates nfkb in breast cancer?5 answersIn breast cancer, NF-κB activation can be triggered by various mechanisms. Studies have shown that in estrogen receptor (ER)-negative and erbB2-positive breast cancer, NF-κB is activated, leading to tumorigenesis and progression. Additionally, small extracellular vesicles (sEV) released by breast cancer cells under hypoxic conditions can activate NF-κB in normal mammary epithelial cells, promoting inflammatory cytokine production and cell motility. Furthermore, in inflammatory breast cancer (IBC), the X-linked inhibitor of apoptosis protein (XIAP) plays a crucial role in linking EGFR-mediated MAPK signaling to NF-κB hyperactivity, driving aggressive tumor growth. These findings highlight the diverse pathways and signals, including hypoxia, XIAP, and growth factor receptors, that can activate NF-κB in breast cancer.
Does erk activate nfkb in breast cancer?4 answersYes, ERK signaling has been implicated in activating NF-κB in breast cancer. Studies have shown that ERK signaling plays a crucial role in the radio-resistance of breast cancer cells, particularly in promoting the expression of MAPK1, a key protein in the ERK pathway. Additionally, in ER-negative breast cancer, the NF-κB pathway is hyperactivated, especially in inflammatory breast cancer (IBC), where XIAP drives constitutive NF-κB transcriptional activity. Furthermore, the positive crosstalk between ER and NF-κB contributes to the expansion of estrogen receptor-positive breast cancer stem cells (BCSCs), indicating a connection between ER and NF-κB in driving BCSCs. Therefore, ERK signaling can activate NF-κB in breast cancer, influencing radio-resistance and stem cell characteristics in different subtypes of the disease.
Is Botox safe to use for breast cancer patients?5 answersBotox is not safe to use for breast cancer patients.
Cancer of breast smoking cigarettes5 answersCigarette smoking is associated with breast cancer, particularly with AR-positive breast cancer. However, the underlying biology of breast tumors and breast cancer-specific survival are not significantly affected by smoking. Smoking may cause fibrotic changes in the breast, making surgical dissection more difficult and increasing the risk of surgical complications. Limited studies have been conducted on the association between smoking and breast cancer with different estrogen receptor (ER) status, and inconsistent results have been found. Smoking is a potential modifiable risk factor for breast cancer, and a two-sample MR analysis is being conducted to explore the potential causal relationship. Smoking is associated with various types of cancers, including breast cancer, due to the systemic effects of cigarette smoke.
What are the latest findings in breast cancer research?5 answersRecent findings in breast cancer research include advancements in drug development, diagnosis technologies, and treatment options. In terms of drug development, several new drug candidates for breast cancer have completed clinical trials. In the field of diagnosis, new technologies such as artificial intelligence (AI), smart bra, smart vest, and clinical breast exams have been developed. Breast self-awareness has also been found to be important in the early detection of breast cancer, with accuracy comparable to modern diagnostic tools. Additionally, the development of antibody-drug conjugates, such as trastuzumab deruxtecan (DS-8201a), has shown promising outcomes in HER2-positive heavily pretreated breast cancer patients. Based on recent clinical trials, DS-8201a has received accelerated approval from the US Food and Drug Administration for advanced or unresectable HER2-positive breast cancer. These findings highlight the continuous progress in understanding breast cancer and improving treatment options.

See what other people are reading

Are PBMC susceptible to LSDV infection?
5 answers
Peripheral blood mononuclear cells (PBMCs) have been shown to be susceptible to certain viral infections. For instance, studies have demonstrated that PBMCs can serve as carriers for infectious agents like bovine papillomavirus type 2 (BPV-2). Additionally, in the context of hepatitis B virus (HBV) transmission, HBV-infected PBMCs from mothers have been implicated in intrauterine infection of their newborns. However, the susceptibility of PBMCs to lumpy skin disease virus (LSDV) infection specifically is not directly addressed in the provided contexts. While PBMCs have been linked to viral infections in various studies, further research specifically focusing on LSDV and its interaction with PBMCs would be necessary to determine the susceptibility of PBMCs to LSDV infection.
What distubs the cycle of hormones?
5 answers
Disturbances in the cycle of hormones can be influenced by various factors such as adiposity, hormonal administration methods, and interactions between steroid hormones and growth factors. Adiposity, particularly central adiposity, has been linked to alterations in sex hormone patterns across the menstrual cycle, affecting levels of estradiol, progesterone, luteinizing hormone, and follicle-stimulating hormone. Additionally, methods of hormonal administration for contraception and menstrual cycle regulation, involving progestins and estrogen-progestin combinations, can impact the hormonal balance. Furthermore, the interplay between steroid hormones and growth factors can affect cell cycle regulation, proliferation, and differentiation, highlighting the importance of understanding these interactions in maintaining hormonal homeostasis. These factors collectively contribute to disturbances in the hormonal cycle, emphasizing the complexity of hormonal regulation in the body.
What is the relationship between estrogen levels and the development of osteosclerosis in postmenopausal women?
5 answers
Estrogen levels play a crucial role in the development of osteosclerosis in postmenopausal women. Studies have shown that decreased estrogen levels post-menopause can lead to an increase in atherosclerosis. Estrogen deficiency is associated with oxidative stress and lipid metabolism disorders, which are key factors in postmenopausal atherosclerosis progression. Furthermore, estrogen has been found to exert a protective effect against atherosclerosis by promoting macrophage cholesterol crystal metabolism through estrogen receptor alpha (ERα) pathways. This protective action involves enhancing lysosomal function, promoting cholesterol efflux, and reducing lipid accumulation in macrophages. Therefore, maintaining adequate estrogen levels post-menopause is essential in preventing the development and progression of osteosclerosis in women.
Does the environment affect gene expression causing endometriosis?
5 answers
Environmental factors play a significant role in endometriosis development. Exposure to substances like di-(2-ethylhexyl)-phthalate (DEHP) can impact gene expression in endometrial cells, potentially linking environmental exposure to increased endometriosis likelihood. Additionally, environmental factors, including endocrine disruptors like DES and bisphenol A, are suspected of influencing estrogen levels, which can contribute to the chronic inflammatory environment favoring endometriosis implantation and development. Changes in gene expression, such as the upregulation of Epac1 and downregulation of Rap1GAP, have been observed in endometriosis tissues, suggesting a role in the pathogenesis and migration of endometriosis cells. Therefore, environmental factors can indeed affect gene expression, potentially contributing to the development and progression of endometriosis.
What are the factors that contribute to the high rate of breast cancer relapses?
5 answers
Factors contributing to the high rate of breast cancer relapses include various elements such as lymph node involvement, tumor characteristics, and response to neoadjuvant therapy. Positive lymph nodes significantly worsen disease-free survival in breast cancer patients with a pathologic complete response (pCR). In triple-negative breast cancer (TNBC), factors like multifocal disease and high residual cancer burden (RCB) III independently predict relapse after neoadjuvant chemotherapy. Additionally, in HER2-positive breast cancer, despite achieving a high rate of pathological responses, factors like initial tumor size, axillary involvement, and specific tumor characteristics can lead to recurrences even after a pCR. Sociodemographic variables like race, insurance status, and surgical management also play a role in the rapid relapse of TNBC patients. These factors collectively highlight the complexity of predicting and preventing breast cancer relapses.
What was the pipeline that led to discovery of lapatinib?
5 answers
The discovery of lapatinib, a dual EGFR and ERBB-2 tyrosine kinase inhibitor, involved a carefully designed biological evaluation cascade coupled with multidimensional data analysis. Lapatinib was initially identified as a multitargeted inhibitor of phosphoprotein signaling in Trypanosoma brucei, despite lacking EGFR-like tyrosine kinases, through proteome-wide phosphopeptide analysis and affinity chromatography studies. Lapatinib's efficacy against HER2-amplified breast cancer was further explored, showing activity in trastuzumab-refractory cases and in combination with letrozole for ER-positive, HER2-positive breast cancer. However, lapatinib exhibited limited activity against the xenografts of the Pediatric Preclinical Testing Program (PPTP) in vivo panel, suggesting differences in therapeutic targets between adult and pediatric cancers.
What are the anti hair loss properties of Wasabia japonica ?
5 answers
Wasabia japonica, commonly known as wasabi, exhibits various properties beneficial for hair health. Studies have shown that Wasabia japonica extracts possess antioxidant activities, inhibiting cell death and promoting hair growth. Additionally, the bioactive compound 6-MSITC found in wasabi demonstrates anti-inflammatory and antioxidative properties, which can contribute to maintaining a healthy scalp environment, crucial for preventing hair loss. Furthermore, research indicates that the consumption of Wasabia japonica extracts can alleviate symptoms of atopic dermatitis, a condition that can affect the scalp, potentially impacting hair health. Therefore, the anti-hair loss properties of Wasabia japonica can be attributed to its antioxidant, anti-inflammatory, and cell-protective effects, making it a promising natural ingredient for hair care formulations.
Which herbs are selective estrogen receptor modulators?
5 answers
Herbs with selective estrogen receptor modulator (SERM) activity include Herba Epimedii (HEP), Epimedium brevicornum, Cornus officinalis (CO), and Cimicifuga racemosa (CR). These herbs have been studied for their potential to interact with estrogen receptors in a tissue-specific and dose-dependent manner, offering therapeutic benefits without stimulating breast or uterine cancer growth. For instance, HEP interacts with Selective Estrogen Receptor Modulators (SERMs) to protect bones without altering their bone protective activities. Similarly, E. brevicornum demonstrates selective estrogenic effects in a breast cancer mouse model, suggesting a tissue-specific action as an alternative to hormone replacement therapy. CO inhibits estrogen-stimulated growth and alters estrogen metabolism in breast cancer cells. CR extract BNO 1055 shows SERM properties by acting in the hypothalamo/pituitary unit and bone without affecting the uterus.
Isothiocyanates present in cruciferous vegetables as glucosinolate role in NSCLC treatment
5 answers
Isothiocyanates, derived from glucosinolates in cruciferous vegetables, exhibit potential in non-small cell lung cancer (NSCLC) treatment. Research suggests that isothiocyanates like sulforaphane and benzyl ITC have anti-cancer effects. Studies show that isothiocyanates can inhibit cancer cell growth, induce apoptosis, and affect cell cycle progression. Combining different isothiocyanates, such as allyl isothiocyanate and sulforaphane, has shown synergistic effects in inhibiting cancer cell growth and migration. These compounds have demonstrated anti-carcinogenic activities and can potentially enhance protective effects against carcinogenesis. While more research is needed, the evidence suggests that isothiocyanates from cruciferous vegetables could play a beneficial role in NSCLC treatment.
Does mate tea have positive effects on congition?
5 answers
Mate tea, known for its bioactive compounds like phenolic acids and antioxidants, has shown various positive effects on health. Studies have highlighted its benefits on muscle recovery, chemopreventive potential against carcinogenesis, and cardioprotective lipid-lowering and antioxidant effects. While the focus has been on physical health benefits, the cognitive effects of mate tea have not been directly addressed in the provided contexts. However, considering its antioxidant properties and impact on overall well-being, it is plausible that mate tea could indirectly support cognitive function. The bioactive compounds in mate tea may contribute to overall brain health, potentially aiding cognition through their antioxidant and vasodilatory properties. Further research specifically targeting cognitive function is warranted to conclusively determine the extent of mate tea's impact on cognition.
What is the current state of research on the effectiveness of soy isoflavones in preventing cancer in healthy individuals?
5 answers
Current research indicates that soy isoflavones, particularly genistein and daidzein found in soybeans, exhibit potential anticancer effects by targeting endogenous copper, inducing apoptosis, and interfering with copper transporter genes in cancer cells. Meta-analyses suggest that higher soy and soy isoflavone intake are associated with a reduced risk of cancer incidence, especially for lung and prostate cancers, emphasizing the role of soy isoflavones in cancer prevention. Isoflavones, due to their structural similarity to estrogen, act as estrogen modulators, potentially suppressing cancer occurrence, particularly in estrogen receptor-positive cancers like breast cancer. However, randomized controlled trials have shown mixed results, with limited evidence that isoflavone treatment modulates breast cancer risk factors in healthy individuals. Overall, while isoflavones show promise in cancer prevention, further research is needed to fully understand their effectiveness in healthy individuals.