نتایج جستجو برای: snail

تعداد نتایج: 8109  

2018
Colin MacLeod Robert Poulin Clément Lagrue

Shell damage and parasitic infections are frequent in gastropods, influencing key snail host life-history traits such as survival, growth, and reproduction. However, their interactions and potential effects on hosts and parasites have never been tested. Host-parasite interactions are particularly interesting in the context of the recently discovered division of labor in trematodes infecting mar...

Journal: :Thorax 2009
J-J Hung M-H Yang H-S Hsu W-H Hsu J-S Liu K-J Wu

BACKGROUND Metastasis is the most common cause of disease failure and mortality for non-small cell lung cancer (NSCLC) after surgical resection. Snail and TWIST1 are epithelial-mesenchymal transition (EMT) regulators which induce metastasis. Intratumoral hypoxia followed by stabilisation of hypoxia-inducible factor 1alpha (HIF-1alpha) promotes metastasis through regulation of certain EMT regula...

Journal: :iranian journal of pharmacology and therapeutics 0
farindra tiwari dinesh kumar singh

use of molluscicides in the attractant food pellet (afp) is an effective method of snail control. different concentrations of these molluscicides viz. azadirachta indica bark powder, allium sativum bulb powder, polianthes tuberosa bulb powder, annona squamosa seed powder, their active components azadirachtin, allicin, hecogenin, acetogenin; herbal molluscicide pestoban and a synthetic molluscic...

Journal: :Monthly Notices of the Royal Astronomical Society 2023

ABSTRACT The Gaia snail is a spiral feature in the distribution of solar-neighbourhood stars position and velocity normal to Galactic midplane. probably arises from phase mixing gravitational disturbances that perturbed disc distant past. most common hypothesis primary disturbance resulted passage Sagittarius dwarf galaxy close solar neighbourhood. In this paper, we investigate alternative crea...

Journal: :Mathematics 2021

Schistosomiasis is a parasitic disease caused by the schistosoma worm. A snail can act as intermediate host for parasite. Snail-population control considered to be an effective way schistosomiasis spread. In this paper, we discuss model incorporating predator biological agent. We prove that solutions of are non-negative and bounded. The existence condition equilibrium points investigated. deter...

2018
Xiangrui Li Zhijian Zhang Yao Zhang Yuxiang Cao Huijun Wei Zhihao Wu

BACKGROUND The preferential use of aerobic glycolysis by tumor cells lead to high accumulation of lactate in tumor microenvironment. Clinical evidence has linked elevated lactate concentration with cancer outcomes. However, the role and molecular mechanisms of lactate in cellular senescence and tumor progression remain elusive. METHODS The function of Snail in lactate-induced EMT in lung canc...

2013
ANDREW J. MITCHELL Harry K. Dupree REBECCA A. COLE

—The faucet snail Bithynia tentaculata, a nonindigenous aquatic snail from Eurasia, was introduced into Lake Michigan in 1871 and has spread to the mid-Atlantic states, the Great Lakes region, Montana, and most recently, the Mississippi River. The faucet snail serves as intermediate host for several trematodes that have caused large-scale mortality among water birds, primarily in the Great Lake...

2006
NAJIA A. AL-ZANBAGI Najia A. Al-Zanbagi

The mortality caused to the snail Bulinus wrighti (The snail vector of urinary schistosomiasis) by different extracts of two species of plants belonging to the family Euphorbiaceae has been investigated. It was found that very low concentrations of fresh leaf extracts were effective in killing the snail. The LC50 of methanol and acetone extracts for Euphorbia schimperiana and Euphorbia heliosco...

Journal: :Indian journal of experimental biology 2002
Madhura S Athawale S Raghupathi Rami Reddy

Uric acid accumulates in several tissues of the Indian apple snail, P. globosa, during aestivation. This accumulation is particularly high in the foot muscle and reproductive organs. Since the kidney, a tiny organ in the snail, has only a limited capacity to store uric acid, extrarenal tissues are used as storage depots of uric acid during aestivation. It is suggested that the aestivating snail...

Journal: : 2021

The suitability of date-seed/snail shells as a carburizer for enhanced mechanical properties mild-steel using the packed carburization technique was investigated in this work. Standard tensile, impact and hardness test samples prepared from were subjected to pack-carburization process mixtures date-seed snail shell ratio 60:40 respectively at 800, 900, 1 000 °C 3 hours. carburized quenched wate...

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