choline acetyltransferase/neoplasms

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[Immunohistochemical analysis of tumor cells using choline acetyltransferase (author's transl)].

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For an immunohistochemical analysis of cellular function of tumors, as related to acetylcholine, the antibody to choline acetyltransferase from bovine brain was obtained in guinea pigs. The specificity of the antibody was immunohistochemically studied in the cervical spinal cord of the mouse. And

Muscarinic cholinergic signaling in cervical cancer cells affects cell motility via ERK1/2 signaling.

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OBJECTIVE The etiology of cervical cancer depends primarily on infection with human papillomaviruses, but tobacco smoking is the most important behavioral risk factor for this cancer. Therefore, we have previously confirmed involvement of nicotinic acetylcholine receptors (nAChRs) in cervical cancer

Indistinguishable patterns of protooncogene expression in two distinct but closely related tumors: Ewing's sarcoma and neuroepithelioma.

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Genetic characterization of human tumors promises new insights of biological importance and clinical relevance. We have found that two solid tumors, peripheral neuroepithelioma and Ewing's sarcoma of bone, which share a common cytogenetic rearrangement, are characterized by an indistinguishable and

Cytolysis of neuroblastoma cells in vitro and treatment of neuronal tumors in vivo with bromoacetylcholine.

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The effect of bromoacetylcholine on mouse neuroblastoma C-1300 was investigated in cell culture as well as in A/J mice. In vitro, bromoacetylcholine (1 X 10(-5) M) was a potent cytolytic agent and produced an additive effect in combination with vincristine (3 X 10(-9) M). Since the choline

Synthesis of acetylcholine by lung cancer.

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The role of autocrine growth factors in the stimulation of lung cancer growth is well established. Nicotine is an agonist for acetylcholine receptors and stimulates lung cancer growth. This suggests that if lung cancers synthesize acetylcholine (ACh), then ACh may be an autocrine growth factor for

Smoke, choline acetyltransferase, muscarinic receptors, and fibroblast proliferation in chronic obstructive pulmonary disease.

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Acetylcholine (ACh), synthesized by choline acetyltransferase (ChAT), and muscarinic M(1), M(2), and M(3) receptors (MRs) are involved in fibroblast proliferation. We evaluated ChAT, MRs, and extracellular signal-regulated kinase (ERK) 1/2 and nuclear factor (NF) kappaB activation in lung

Tamoxifen enhances choline acetyltransferase mRNA expression in rat basal forebrain cholinergic neurons.

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Novel estrogen-like molecules known as SERMs (selective estrogen receptor modulators) produce many of the beneficial estrogen-like actions without the detrimental side-effects. The SERM, tamoxifen, an estrogen-like molecule with both agonist and antagonist properties, is widely prescribed for the

Effects of choline acetyltransferase inhibitors on the growth and differentiation of mouse neuroblastoma cells in culture.

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The effect of cholineacetyltransferase (ChA) inhibitors, bromoacetylcholine (BrACh), 2-benzoylethyltrimethylammonium (BETA), 3-benzoylpropyltrimethylammonium (BPTA), BETA's tertiary analog (TA-BETA) and 4-oxopentyltrimethylammonium (OPTA), on the growth of two types of neuroblastoma (NB) clones,

The biological role of non-neuronal acetylcholine in plants and humans.

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Acetylcholine, one of the most exemplary neurotransmitters, has been detected in bacteria, algae, protozoa, tubellariae and primitive plants, suggesting an extremely early appearance in the evolutionary process and a wide expression in non-neuronal cells. In plants (Urtica dioica), acetylcholine is

Differential drug sensitivity of human neuroblastoma cells.

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A 6-day in vitro growth-inhibition assay was used to determine relative sensitivity of six human neuroblastoma cell lines to three classes of cancer chemotherapeutic agents: antimetabolites (methotrexate, methasquin, and cytarabine); antimitotics (vincristine, vinblastine, vindesine, colchicine, and

Ameliorative effect of deoxyvasicine on scopolamine-induced cognitive dysfunction by restoration of cholinergic function in mice.

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Aerial parts of Peganum harmala Linn is used as a traditional medical herb for treatment of amnesia in Uighur medicine in China. Deoxyvasicine (DVAS) is one of the chief active ingredients in P. harmala, it possesses strong acetylcholinesterase (AChE) and butyrylcholinesterase (BChE)

Alzheimer's Disease-like Early-phase Brain Pathogenesis: Self-curing Amelioration of Neurodegeneration from Pro-inflammatory 'Wounding' to Anti-inflammatory 'Healing'.

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The etiological initiators of neuroinflammation remain inconclusive, and effective interventions to block neurodegeneration are unavailable. Surprisingly, we found collagen II-combined complete Freund's adjuvant (CC) that usually induces rheumatoid arthritis (RA) also drives Alzheimer's disease

Characteristics of a new human neuroblastoma cell line which differentiates in response to cyclic adenosine 3':5'-monophosphate.

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A new human cell line, TR14 , has been established in tissue culture from biopsy material of a primary neuroblastoma tumor. Most TR14 cells have short processes and grow mainly in clumps adhering to cells attached to the substratum. TR14 cells form colonies in soft agar demonstrating anchorage

Cardiopulmonary arrest and resuscitation disrupts cholinergic anti-inflammatory processes: a role for cholinergic α7 nicotinic receptors.

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Cardiac arrest is a leading cause of death worldwide. While survival rates following sudden cardiac arrest remain relatively low, recent advancements in patient care have begun to increase the proportion of individuals who survive cardiac arrest. However, many of these individuals subsequently

Brain reaggregate cultures in neurotoxicological investigations: adaptational and neuroregenerative processes following lesions.

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In vitro neural systems can be predictive for CNS neurotoxicity, except where xenobiotics primarily affect the blood-brain barrier. The wide range of systems now used in neurobiological studies is available for mechanistic neurotoxicological investigations although the choice of system is generally

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