Results 51 to 60 of about 3,329,624 (262)

IMPDH inhibition enhances cytarabine efficacy in SAMHD1‐expressing leukaemia cells via guanine nucleotide depletion

open access: yesMolecular Oncology, EarlyView.
Cytarabine is a key therapy for acute myeloid leukaemia (AML), but its efficacy is limited by the dNTPase SAMHD1, which hydrolyses its active metabolite. Screening nucleotide biosynthesis inhibitors revealed that IMPDH inhibitors selectively sensitise SAMHD1‐proficient AML cells to cytarabine.
Miriam Yagüe‐Capilla   +9 more
wiley   +1 more source

A study of the root surface phosphatase activities of three species of higher plants: Juncus effusus, Phragnutes australis, and Typha latifolia [PDF]

open access: yes, 1993
The aim of this project was to investigate a possible link between environmental phosphorus status and the root surface phosphatase activities of three species of emergent macrophytes, with a view to assessing their potential for use as "biondicators ...
Luff, Heather
core  

STUDY OF SEMINAL ACID PHOSPHATASE AND ALKALINE PHOSPHATASE LEVEL IN RELATION TO SPERM COUNT IN TEACHING HOSPITAL

open access: yesNational Journal of Medical Research, 2015
Background: There are multiple diagnostic tests and procedures are available for diagnosis of infertility but semen analysis still is considered as most valuable diagnostic test for investigation of infertility.it is equally important that the semen ...
Nayak Jitendra   +3 more
doaj  

Aluminium induced acid phosphatase activity in roots of Al-sensitive and Al-tolerant barley varieties

open access: yesPlant, Soil and Environment, 2002
In barley roots significant increase of acid phosphatase activity was observed during Al treatment. Especially steep increase was found in the roots of Al-sensitive cv.
J. Huttová, L. Tamás, I. Mistrík
doaj   +1 more source

Determination the activity of prostatic acid phosphatase women with breast cancer in Kirkuk City [PDF]

open access: yesKirkuk Journal of Science, 2017
The current study included estimation of Acid Phosphatase (AP) and Prostatic Acid Phosphatase (PAP) activity in the sera of Breast Cancer patient̓s. The study included (58) samples as satisfactory sample of women with breast cancer who are treated at ...
Ferah G. Al -Salihi   +2 more
doaj   +1 more source

Loss of IGF‐1R impairs DNA‐PKcs recruitment to chromatin leading to defective end‐joining

open access: yesMolecular Oncology, EarlyView.
IGF‐1R promotes radioresistance by facilitating DNA‐PKcs recruitment to chromatin, enabling non‐homologous end‐joining (NHEJ) repair of double‐strand breaks. Inhibition or loss of IGF‐1R disrupts this recruitment to damage sites, driving compensatory reliance on microhomology‐mediated end‐joining (MMEJ) repair.
Matthew O. Ellis   +3 more
wiley   +1 more source

HD-PTP is a catalytically inactive tyrosine phosphatase due to a conserved divergence in its phosphatase domain

open access: yes, 2009
Background The HD-PTP protein has been described as a tumor suppressor candidate and based on its amino acid sequence, categorized as a classical non-transmembrane protein tyrosine phosphatase (PTP).
Kharitidi, D.   +6 more
core   +1 more source

Phosphatase activity of Poa pratensis seeds. I. Preliminary studies on acid phosphatase II

open access: yesActa Societatis Botanicorum Poloniae, 2015
Acid phosphatase (EC 3.1.3.2) was extracted with 0.1 M sodium acetate buffer pH 5.1 from Poa pratensis seeds, and separated into three fractions by chromatography on DEAE cellulose.
I. Lorenc-Kubis, B. Morawiecka
doaj   +1 more source

The effect of different copper doses and organic fertilisation on soil's enzymatic activity

open access: yesPlant, Soil and Environment, 2020
A three-year pot experiment carried out in the vegetation hall in 2014-2016 included studying the enzymatic activity of soil, into which various amounts of copper: (100, 200 and 300 mg Cu/kg soil) and organic materials (cattle manure, chicken manure ...
Beata Kuziemska   +2 more
doaj   +1 more source

A novel quinazolinone insulin receptor inhibitor and its synergy with an EGFR inhibitor in glucose‐driven glioblastoma

open access: yesMolecular Oncology, EarlyView.
The novel styrylquinazolinone‐based molecule W1B effectively suppresses glioblastoma by inhibiting IGF1R and EGFR. In high‐glucose microenvironments driving tumor resistance, W1B acts synergistically with the EGFR inhibitor dacomitinib. This combination safely blocks compensatory survival signaling in zebrafish xenograft models. Showcasing promising in
Patryk Rurka   +9 more
wiley   +1 more source

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