Sentences with phrase «of human breast cells»

Not exact matches

Some of the viruses that can be within breast milk are: HIV — Human Immunodeficiency Virus (AIDS) HTLV - 1 Human T - Cell Leukemia Virus Type I CMV — Cytomegalovirus When you are using a previously owned breast pump you create the risk of cross contamination.

For a long time, insulin was not thought to play a direct role in regulating the milk - making cells of the human breast, because insulin is not needed for these cells to take in sugars, such as glucose.

Breastfeeding is contraindicated in infants with classic galactosemia (galactose 1 - phosphate uridyltransferase deficiency) 103; mothers who have active untreated tuberculosis disease or are human T - cell lymphotropic virus type I — or II — positive104, 105; mothers who are receiving diagnostic or therapeutic radioactive isotopes or have had exposure to radioactive materials (for as long as there is radioactivity in the milk) 106 — 108; mothers who are receiving antimetabolites or chemotherapeutic agents or a small number of other medications until they clear the milk109, 110; mothers who are using drugs of abuse («street drugs»); and mothers who have herpes simplex lesions on a breast (infant may feed from other breast if clear of lesions).

Colostrum contains high concentrations of secretory IgA, the predominant immunoglobulin passed through your breast milk, lactoferrin, which acts as an antibacterial to prevent infection in human infants, and leukocytes, protective white cells.

In November 2010 Japanese researchers announced online in Analytical Chemistry that they had built a chip that simultaneously tests how liver, intestine and breast cancer cells respond to cancer drugs, and in February 2010 scientists publishing in the Proceedings of the National Academy of Sciences USA developed a microscale replica of the human liver that allowed them to observe the entire life cycle of hepatitis C, a virus that is difficult to observe in cultured cells.

Recent collaborative work between UCR and Cedars - Sinai Medical Center in Los Angeles demonstrated that in animal models of human breast cancer, mice treated with 123B9 that was conjugated with paclitaxel had significantly fewer circulating cancer cells in the blood compared to mice that were not treated or even treated with paclitaxel alone.

Working with human breast tissue, the new study's authors attempted to induce EMT in normal cells; they figured they would just get fibroblasts, a type of connective tissue that is important in wound healing.

Stem cells from breast milk can grow into many other kinds of human tissue, raising hopes of an ethical source of embryonic - like stem cells

An unknown component of breast milk appears to kill HIV particles and virus - infected cells, as well as blocking HIV transmission in mice with a human immune system.

In their latest study, they tested compounds against cells from nine different types of human cancer, including common types affecting blood, colon, breast, prostate, ovaries, kidneys, and lungs.

Bloch's colleagues at the National Institute of Environmental Health Sciences tested the oils in gene expression studies on lab - grown human breast cancer cells and found that they could mimic estrogens, the primary female sex hormones, and inhibit androgens, the primary male sex hormones.

If further research confirms the findings in human cells, limiting the amount of asparagine cancer patients ingest could be a potential strategy to augment existing therapies and to prevent the spread of breast cancer, Knott added.

Pre-clinical studies have shown it to be effective in eliminating a number of different kinds of cancers cells, including cancer stem cells from human breast cancer patient biopsies.

The researchers observed the effect of the synthetically produced molecule, JK - 31, on the growth and proliferation of a model human breast cancer cell line and found that it effectively blocked the protein cyclin - dependent kinase 1 (CDK1), which plays a key part in the process of the division of cancer cells, and therefore inhibited the proliferation of the cells.

Oncologists William Hahn, Robert Weinberg, and colleagues at the Whitehead Institute for Biomedical Research in Cambridge, Massachusetts, mutated the gene for one part of the enzyme and inserted it into cultured human cells from colon, ovary, and breast tumors.

Moreover, epalrestat, a drug that inhibits AKR1B1 and is approved in Japan to treat peripheral neuropathies associated with diabetes, was similarly able to block the growth and metastasis of human basal - like breast cancer cells.

Compared to a control (left), epalrestat treatment (right) reduces the number of metastatic tumors (arrowheads) in the lungs of mice injected with human basal - like breast cancer cells.

Beyond lung cancer, TiY is able to target TICs in 28 types of human cell lines derived from the central nervous system, melanoma, breast, renal, ovarian, colon, and prostate cancer.

To see whether cancer stem cell renewal involves a chain of events similar to that used by embryonic stem cells, and whether the process was affected by oxygen levels, Semenza and graduate student Chuanzhao Zhang focused their studies on two human breast cancer cell lines that responded to low oxygen by ramping up production of the protein ALKBH5, which removes methyl groups from mRNAs.

Working with human breast cancer cells and mouse models of breast cancer, scientists identified a new protein that plays a key role in reprogramming cancer cells to migrate and invade other organs.

«There are still many questions left to answer but we now know that oxygen poor environments, like those often found in advanced human breast cancers serve as nurseries for the birth of cancer stem cells,» says Gregg Semenza, M.D., Ph.D., the C. Michael Armstrong Professor of Medicine and a member of the Johns Hopkins Kimmel Cancer Center.

Through these effects, the PERY peptide reduced the proliferation of several (but not all) cancer cell lines in culture and inhibited the growth of a human breast cancer xenograft in mice.

Exploiting the same pre-clinical model used for their studies, the researchers are testing the efficacy of this kind of drug candidates against cancer stem cells, and the possibility of identifying combination regimens with standard chemotherapies with minimized toxic effects, with the perspective of their possible application for the treatment of human breast cancer.

In earlier studies involving animal models and human cancer cell lines, researchers found that breast cancer spreads when three specific cells are in direct contact: an endothelial cell (a type of cell that lines the blood vessels), a perivascular macrophage (a type of immune cell found near blood vessels), and a tumor cell that produces high levels of Mena, a protein that enhances a cancer cell's ability to spread.

Lead author Moustafa Abdalla writes: «Almost all genomic studies of breast cancer have focused on well - established tumours because it is technically challenging to study the earliest mutational events occurring in human breast epithelial cells.»

To test this idea, the researchers utilized two mouse models of human breast cancer metastasis and found dormant disseminated tumor cells residing upon the membrane microvasculature of lung, bone marrow and brain tissue.

One of these, UJ3, is as effective as the industry - standard drug Cisplatin in killing cancer cells in laboratory tests done on human esophageal cancer, breast cancer and melanoma.

In this study, the researchers tested the effects of Olaparib on the tumors formed by human breast cancer cells injected into mice.

The resulting «map» of gene - drug interactions allowed the researchers to accurately predict the responses of multiple human cancer cell lines to different chemotherapy agents based on the cell lines» genetic profiles and also revealed new genetic factors that appear to determine the response of breast and ovarian tumor cells to common classes of chemotherapy treatment.

He is researching the functions and properties of human sulfotransferase (EST) enzymes in human breast cancer cell lines.

Their study, published in the ACS journal Chemical Research in Toxicology, found that triclosan, as well as another commercial substance called octylphenol, promoted the growth of human breast cancer cells in lab dishes and breast cancer tumors in mice.

Bottom: Human epithelial cells from breast tissue showing the effects of endoplasmic reticulum stress (blue) which fills the entire cell structure.

«If further studies validate that these processes are critical in human breast cancers,» Koshy notes, «the possibility exists that agents that favorably modify the biophysical properties of the extracellular matrix, or that target the receptors and signaling molecules associated with how cells sense this matrix, could be used as a new avenue for the prevention or treatment of breast cancers.»

However, scientists at SFU, the University of British Columbia and the B.C. Cancer Agency have discovered that many non-coding RNAs are perturbed in cancerous human cells, including breast and lung, in a specific way.

Singletary added sulforaphane, a chemical in broccoli, kale, brussels sprouts, and other cruciferous vegetables, to cultures of human breast cancer cells.

Their preliminary findings indicate that MUS81 - induced movement of DNA to the cytosol also occurs in human cancer cells, including prostate cancer, breast cancer, colorectal cancer, uterine cancer, leukemia, and melanoma cells.

Using cultured cells derived from human tumors of the breast and prostate gland, they confirmed that the IL6R / STAT3 / miR -34 a feedback loop is also activated in other tumor types.

When the Cornell team cultured human breast cancer cells on matrix deposited by fat - derived cells from obese mice, the cancer cells grew faster than they did on the matrix of cells from slimmer mice.

The scientists» model looks at the EGFR signaling cascade to investigate crosstalk between EFGR signaling and EMT in cell culture models of human breast epithelium.

They compared normal, non-cancer-forming human breast tissue cells with cancerous breast cells using both of these treatments, contrasting them with cells with unmanipulated mtDNA.

After confirming in mouse models that cells from HER2 - positive breast cancers became resistant to anti-HER2 treatment when implanted into the brain but not into other tissues, the investigators found that HER3 is overexpressed in brain metastases of HER2 - positive breast cancers from both mice and human patients.

Now, University of Pennsylvania researchers have revealed how a reduction in mitochondrial DNA content leads human breast cancer cells to take on aggressive, metastatic properties.

The ability of the ITAM sequence to make cells cancerous represents a potential new trigger for breast cancer in humans, say the researchers, and gives further credence to the idea that viruses can cause human breast cancer.

The researchers inserted between 10,000 and 40,000 of these small RNAs at once into breast cancer, colon cancer, and normal human cells in the lab.

Additionally, overexpression of POSTN in human mammary epithelial and breast cancer cells resulted in enhanced tumor growth and metastasis (Wang et al., 2013), which is similar to a colon cancer cell model where overexpression of POSTN resulted in an increase in the number and size of liver metastases (Bao et al., 2004).

Human breast cancer cells generated by oncogenic transformation of primary mammary epithelial cells.

Regulation of the inflammatory profile of stromal cells in human breast cancer: prominent roles for TNF - a and the NF -?

Mutations in the gene increase rat susceptibility to mammary cancer and FRY reduced the growth of highly aggressive human breast cancer cells.

The analysis of doxorubicin resistance in human breast cancer cells using antibody microarrays.

Further research uncovered a broad spectrum of cell surface stem cell markers (e.g., CD133, CD44, and CD24) that allow the identification of CSCs in human solid tumors, including brain, breast, prostate, pancreas, liver, ovary, skin, colon cancers, and melanoma (3 - 6)(Figure 1 based on 7).