نتایج جستجو برای: ovarian ageing

تعداد نتایج: 107173  

Journal: :Maturitas 2016
Laura Hudson Amy Bowman Eyman Rashdan Mark A Birch-Machin

Ageing describes the progressive functional decline of an organism over time, leading to an increase in susceptibility to age-related diseases and eventually to death, and it is a phenomenon observed across a wide range of organisms. Despite a vast repertoire of ageing studies performed over the past century, the exact causes of ageing remain unknown. For over 50 years it has been speculated th...

Journal: :Wiley Interdisc. Rew.: Data Mining and Knowledge Discovery 2017
Caio Eduardo Ribeiro Luis Henrique S. Brito Cristiane Neri Nobre Alex Alves Freitas Luis E. Zárate

Human ageing is a global problem that will have a large socio-economic impact. A better understanding of ageing can direct public policies that minimize its negative effects in the future. Over many years, several longitudinal studies of human ageing have been conducted aiming to comprehend the phenomenon, and various factors influencing human ageing are under analysis. In this review, we categ...

Journal: :Journal of ageing and longevity 2023

In this article, we develop a tentative philosophy to orchestrate and support possibilities for artful ageing. This effort argues that older adults need broader range of opportunities explore the manifold ephemeral, non-rational, in-between elements an ageing life. The is rooted in notion space (literally metaphorically) process their existence engaging such processes can entail emancipatory ef...

2012
Xin Li Kerstin Lundström

The overall aim of this thesis was to investigate genetic and ageing effects on beef quality. To study the genetic effects, association analyses were carried out between single nucleotide polymorphisms (SNPs) at DGAT1, LEP, SCD1, CAPN1 and CAST genes with colour, marbling, water holding capacity (WHC) and tenderness in meat from young bulls of the beef cattle population in Sweden. In total 243 ...

Journal: :international journal of epidemiologic research 2015
zahra taheri zohre taheri neda taheri sarteshnizi mahin ghafari masoud amiri

background and aims: nowadays, the age structure of iran is transitioning from youth to elderly. although, the elderly population are still accounted for a small portion of the population; however, the population growth rate of this age group is growing compared to the growth of the total population. therefore, understanding of the changes of this population is necessary. this study aimed to id...

Journal: :polyolefins journal 2016
larissa montagna andre luis catto maria madalena forte ruth marlene santana

in this study, pp films were modified with an organic pro-degradant in different concentrations (1, 2 and 3wt.%), exposed in the first step of degradation to natural ageing for 100 days followed by biodegradation insimulated soil in the respirometric test for 100 days. at the end of the combined degradation process the pp sampleswere characterized according to their morphological and physical p...

Journal: :international journal of occupational hygiene 0
hossein yousefi faculty of new sciences and technologies, university of tehran, tehran, iran amin yousefi sahzabi dept. of earth resources engineering, kyushu university, 744 motooka, nishi-ku, fukuoka, japan mahsa masih faculty of energy and environment, science and research branch, islamic azad university, tehran, iran sahar ghaleh faculty of energy and environment, science and research branch, islamic azad university, tehran, iran mitra mirzaaghabeik faculty of letters and humanities, ferdowsi university of mashhad, mashhad, iran

it is essential to make urban spaces usable for a wide range of citizens, including aged people. this study was carried out in sari, the center of mazandaran province, northern iran in 2013 to prioritize five urban parks of the city using fuzzy-ahp method in terms of three pre-defined criteria, including safety, security, and environmental health. firstly, the criteria and alternatives were def...

Journal: :Proceedings. Biological sciences 2004
Peter D Sozou Robert M Seymour

According to the antagonistic pleiotropy theory of ageing, natural selection has favoured genes conferring short-term benefits to the organism at the cost of deterioration in later life. The 'disposable soma' theory expresses this as a life-history strategy in which somatic maintenance is below the level required to prevent ageing, thus enabling higher immediate fertility. It has been argued th...

Journal: :international journal of transportation engineereing 2015
seyed ali ziaee amir kavussi morteza jalili qazizadeh abolfazl mohammadzadeh moghadam

this study was conducted in order to evaluate the effects of long term ageing on toughness andresilient modulus of asphalt concrete mixtures containing electric arc and basic oxygen furnacesteel slags. after initial evaluation of the properties of steel slags using x-ray diffraction andscanning electric microscope, eleven sets of laboratory mixtures were prepared. each set wastreated replacing ...

2009
Sarah L. Hands Christopher G. Proud Andreas Wyttenbach

The molecular and cellular mechanisms that regulate ageing are currently under scrutiny because ageing is linked to many human diseases. The nutrient sensing TOR pathway is emerging as a key regulator of ageing. TOR signaling is complex affecting several crucial cellular functions and two such functions, which show clear effects on ageing, are protein synthesis and autophagy. In this article we...

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