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Tag: "into" at biology news

A gene's first 'kiss' sets off that affair known as puberty

...re of reproductive hormones can exist at birth, go into hiding at about four to six months of age, then re...) and follicle-stimulating hormone (FSH), directly into the circulation. In turn, these rising levels of LH and FSH cause the testes and ovaries to produce ...

DNA Molecules Used To Assemble Nanoparticles

... these dendrimers hit their targets, were admitted into the cells and gave off their signaling light. The ...the DNA attached to other kinds of dendrimers. Put into solution with these other tinker toys, the molecule would self-assemble into a four-dendrimer comple...

Bioartificial kidney under study at MCG

...ly unsuitable for transplant. The cells are grown into the walls of thousands of hollow fibers contained ...te products in the blood migrate across the fibers into the solution. The now-dirty solution is discarded and the cleaner blood is given back to the patient...

Viral DNA sequence a possible trigger for breast cancer

...mor virus (called MMTV) can transform breast cells into cancer cells, according to a study by Katz et al. ...ly been attributed to the integration of viral DNA into locations that trigger the expression of host cancer-causing genes. An intriguing wrinkle to this st...

Wisconsin scientists grow critical nerve cells

...heir ability to replicate indefinitely and develop into any of the 220 different types of cells and tissue...uggled to convert blank-slate embryonic stem cells into motor neurons, says Zhang. The goal proved elusive even in simpler vertebrates such as mice, whose e...

Association of herpesvirus with lung disorder questioned

...while their results call the earlier study results into question, there are other possible explanations for the divergent data. For example, the pathogenesis of primary pulmonary hypertension in Japan may be different from that in the United States. The sensitivity and methods of the tests used in each st...

Man and mouse share genome structures

...esembles a chain of beads which is then compressed into a working chromosome. Chemical tags placed on the ...matin structure in leukemic cells and gain insight into the molecular basis of disease. "The human genome still has many surprises lurking within it," said...

Molecular biology fills gaps in knowledge of bat evolution

... level to the genus level and probe in more detail into the bat evolutionary record. He also plans to compare the completeness of the bat fossil record with that of other mammals. ...

Scientists ID molecular 'switch' in liver that triggers harmful effects of saturated and trans fats

...erides ?another fatty substance ?that are secreted into the bloodstream. PGC-1beta belongs to a specific family of co-activators, proteins that interact with other proteins to turn genes on and off and adjust their activity, like a dimmer switch that varies the brightness of a light. Co-activators join w...

A new mechanism of regulating RNA degradation

...st step in gene expression, in which DNA is copied into RNA transcripts. However, recent discoveries have shown that many of the tools cells use to regulate genes work after transcription, by moderating the activity and the life span of the RNA itself. One major pathway for such post-transcriptional regu...

FDA Approves Human Hookworm Vaccine for Phase I Safety Trials

...st step in gene expression, in which DNA is copied into RNA transcripts. However, recent discoveries have shown that many of the tools cells use to regulate genes work after transcription, by moderating the activity and the life span of the RNA itself. One major pathway for such post-transcriptional regu...

Deficient DNA Repair Capacity Associated With Increased Risk Of Breast Cancer

...cancer. In addition, when the data were stratified into quartiles of DNA repair capacity, the risk of breast cancer was three times higher among women with the poorest DNA repair capacity compared with those with the highest. "[T]hese data support the hypothesis that deficient DNA repair capacity is asso...

Spleen may be source of versatile stem cells

...be associated with a cellularcommitment to develop into a particular type of tissue. Without thatcommitment, the splenic cells may be able to differentiate into a widervariety of cells than can adult stem cells from bone marrow, which donot produce Hox11.The re...

UCSB scientists probe sea floor venting to gain understanding of early life on Earth

...r studies of seafloor hydrothermal fluid discharge into the Earth's oceans, which has been occurring ever since the oceans first formed four billion years ago. Conditions below the sea floor may most closely mimic the environment when life began. "There is a great deal of interest in the microbes of the ...

UAB scientists discover the origin of a mysterious physical force

... have a remarkable capacity to organise themselves into complex structures that are strongly orientated in such a way as to cancel out the electric field, and on some occasions, to reverse it. This abnormal behaviour was discovered by the same researchers and published in Physical Review Letters in April ...

Source of molecular triggers in cutaneous T cell lymphoma identified

...us T Cell Lymphoma (CTCL) cells to clonally expand into large populations of malignant lymphocytes. CTCL is the most common adult malignancy of T lymphocytes, the white blood cells of the immune system. Finding CTCL triggering factors has been a major goal of Richard L. Edelson, M.D., Director of the Yal...

University of Manchester makes made-to-measure skin and bones a reality using inkjet printers

...sto be grown, simply by inputting their dimensions into a computer. ProfessorBrian Derby, Head of the Ink...or this is the way in which the cells are inserted into thestructures.Before being fed into the printer, the cells are suspended in anutrient rich liquid no...

W.M. Keck Foundation funds study of friendly microbes

...nitiative, which aims to translate genomic science into patient care. The CGS plays a catalytic role in helping to devise new ways to translate the genetic data obtained from genome sequencing projects to allow researchers to better understand the evolution and diversity of life on Earth, as well as help ...

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...l as a pencil eraser.Sediment samples were scooped into special sample vials and immediatelyfrozen in liquid nitrogen canisters to preserve the microbialcommunity.In springs where there was no sediment, Spear collected samples ofplanktonic organisms by hanging a glass slide in the water and allowingthe mi...

It's not all genetic: Common epigenetic problem doubles cancer risk in mice

... his team tossed a cancer-causing genetic mutation into the mix. The IGF2 mice were crossed with mice carrying a mutation in a gene called APC, which had been tied to colon cancer by researchers studying families with excessive growths, or polyps, in the colon. Mice with extra IGF2 and the APC mutation d...

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