Results 161 to 170 of about 517,167 (367)

The role of circular RNAs in regulating cytokine signaling in cancer

open access: yesFEBS Open Bio, EarlyView.
Cytokines present in the tumor microenvironment fuel cancer development. Aberrant expression of circRNAs contributes to cancer progression. Cytokines are involved in regulating circRNA biogenesis. Furthermore, aberrantly expressed circRNAs regulate the expression of ligands, receptors, and downstream effectors involved in cytokine signaling to promote ...
Vandana Joshi   +4 more
wiley   +1 more source

Laparoscopic approach in the ovarian vein syndrome

open access: yesInternational Brazilian Journal of Urology, 2003
INTRODUCTION: The main objective of this article is to describe ureterolysis and ovarian vein resection laparoscopic technique. SURGICAL TECHNIQUE: With the patient in a 45o flank position, 3 trocars are used, 1 of 12 mm in the umbilicus for the optic ...
Almeida Arakén   +4 more
doaj  

On anti-Ramsey numbers for complete bipartite graphs and the Turan function [PDF]

open access: yesarXiv, 2011
Given two graphs $G$ and $H$ with $H\subseteq G$ we consider the anti-Ramsey function $AR(G,H)$ which is the maximum number of colors in any edge-coloring of $G$ so that every copy of $H$ receives the same color on at least one pair of edges. The classical Tur\'an function for a graph $G$ and family of graphs $\mathcal{F}$, written $ex(G,\mathcal{F})$,
arxiv  

Radiotherapy medical physics in the Philippines: A contemporary overview

open access: yesJournal of Applied Clinical Medical Physics, EarlyView.
Abstract Purpose With cancer ranking as the third leading cause of death in the Philippines and a disparity in healthcare resources across regions, this research aimed to assess the state of radiotherapy medical physics in the country. Methodology The study utilized a comprehensive online survey with 94 structured questions answered by 19 clinics ...
John Paul C. Cabahug   +4 more
wiley   +1 more source

A new approach to the results of Kövari, Sós, and Turán concerning rectangle-free subsets of the grid [PDF]

open access: yesIntegers, 2012, Vol. 12, #A62, 2012
For positive integers $m$ and $n$, define $f(m,n)$ to be the smallest integer such that any subset $A$ of the $m \times n$ integer grid with $|A| \geq f(m,n)$ contains a rectangle; that is, there are $x\in [m]$ and $y \in [n]$ and $d_{1},d_{2} \in \mathbb{Z}^{+}$ such that all four points $(x,y)$, $(x+d_{1},y)$, $(x,y+d_{2})$, and $(x+d_{1},y+d_{2 ...
arxiv  

Polycystic ovaries and polycystic ovary syndrome

open access: yesGynecological Endocrinology, 1987
In the 50 years or so since the description by Irving F. Stein and Michael L. Leventhal of their finding of unexpectedly enlarged ovaries in a group of women with amenorrhea1, the syndrome we associate with their names has become widely recognized, variously interpreted and a subject of continual fascination for scores of reproductive scientists and ...
openaire   +3 more sources

RhoA and Rac1 as Mechanotransduction Mediators in Colorectal Cancer

open access: yesAdvanced Biology, EarlyView.
Analysing RhoA and Rac1 protein levels in Colorectal cancer (CRC) samples under mechanical strain highlights their potential as diagnostic markers. Monitoring their activity could offer valuable insights into how cancer spreads, paving the way for new approaches to better understand and diagnose colorectal cancer.
Sharda Yadav   +5 more
wiley   +1 more source

An Enrichment Method for Obtaining Biologically Significant Genes from Statistically Significant Differentially Expressed Genes in Comparative Transcriptomics [PDF]

open access: yesarXiv, 2017
Cells coordinate adjustments in genome expression to accommodate changes in their environment. A drug in culture media for in vitro preclinical testing sometimes cause drastic regime shifting of genome expression system depending on the concentrations; e.g.
arxiv  

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