Publications by authors named "Reo Hamaguchi"

This review article investigates the relationship between mitochondrial dysfunction and cancer progression, emphasizing the metabolic shifts that promote tumor growth. Mitochondria are crucial for cellular energy production, but they also play a significant role in cancer progression by promoting glycolysis even under oxygen-rich conditions, a phenomenon known as the Warburg effect. This metabolic reprogramming enables cancer cells to maintain an alkaline internal pH and an acidic external environment, which are critical for their proliferation and survival in hypoxic conditions.

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Article Synopsis
  • Cancer treatment is a major area of focus due to rising cancer rates, especially for patients with advanced cancers who have limited options and poor outcomes.
  • Researchers are exploring methods like alkalization therapy, which increases the pH of the acidic tumor environment, potentially improving treatment effectiveness.
  • The review highlights case studies showing long-term survival in advanced cancer patients using alkalization therapy and natural products, suggesting these methods may enhance standard treatments but calls for more research to confirm these benefits.
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Article Synopsis
  • Current treatments for pancreatic cancer provide limited benefits, prompting research into alternative therapies like alkalization therapy.
  • A study at Karasuma Wada Clinic involved 98 patients with stage 4 pancreatic cancer receiving alkalization therapy alongside standard chemotherapy, measuring urine pH as a key indicator.
  • Findings showed that patients with higher urine pH levels had significantly longer median overall survival, suggesting alkalization therapy may improve outcomes for this patient population.
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Introduction: In this study, we aimed to evaluate the feasibility, utility, and potential effects of LQ-M/D App, a smartphone application developed by Life Quest Inc., Tokyo, Japan, for patients with mild cognitive impairment (MCI) and mild dementia. The app incorporates cognitive and physical exercise training, lifestyle habit acquisition features, and a continuity improvement feature added in the post-update version to enhance user engagement.

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Background: In hepatocellular carcinoma (HCC) patients, is difficult to prevent recurrence even when remission is achieved. In addition, even with the advent of drugs that are effective for the treatment of HCC, a satisfactory extension of patient survival has not been achieved. To overcome this situation, we hypothesized that the combination of alkalization therapy with standard treatments will improve the prognosis of HCC.

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One of the most unique characteristics of cancer metabolism is activated aerobic glycolysis, which is called the "Warburg effect", and is a hallmark of cancer. An acidic tumor microenvironment (TME) resulting from activated anaerobic glycolysis is associated with cancer progression, multi-drug resistance, and immune escape. Several and studies reported that neutralization of the acidic TME by alkalizing agents, such as bicarbonate, resulted in the suppression of cancer progression and a potential benefit for anti-cancer drug responses.

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Objectives Of The Study: Our research aims to answer the following questions. Can cancer progression be stopped by changing the body condition of person with cancer? Can cancer be cured?If cancer progression can be stopped, what is the underlying mechanism?

Theoretical Rationale For Alkalization Therapy: Almost 70 years ago, Goldblatt H. & Cameron G.

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The ethanol extract from the wood of Taxus Yunnanensis (TY) induced apoptosis in all cancer cell lines tested, which was mainly due to activation of an extrinsic pathway in human colon cancer DLD-1 cells. The extrinsic pathway was activated by the upregulation of the expression levels of Fas and TRAIL/DR5, which led to the activation of caspase-8. Of note, the machinery of this increase in expression was promoted by the upregulation of MIR32a expression, which silenced MIR34a-targeting E2F3 transcription factor.

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Background/aim: This study aimed to investigate the effects of the combination of alkalization therapy (an alkaline diet and bicarbonate therapy) and intravenous vitamin C treatment on chemotherapy outcomes in patients with small-cell lung cancer (SCLC) (study registration: UMIN000043056).

Patients And Methods: Twelve patients with SCLC in the intervention group (receiving both alkalization therapy and vitamin C treatment together with chemotherapy) were retrospectively compared to 15 patients with SCLC in the control group (receiving chemotherapy only).

Results: The mean urine pH of the intervention group was significantly higher than that of the control group (7.

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Background/aim: Neutralization of the acidic tumor microenvironment, which is associated with both progression and drug resistance of cancer cells, may be a new treatment option for progressing forms of cancer. We conducted a case-control study to investigate the effects of alkalization therapy, consisting of an alkaline diet with supplementary oral sodium bicarbonate, in patients with metastatic or recurrent pancreatic cancer (study registration no.: UMIN000036126).

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Background/aim: The acidic tumor microenvironment is associated both with the progression and drug resistance of cancer. We aimed to investigate the effects of alkalization therapy performed concurrently with chemotherapy on the survival of advanced pancreatic cancer patients (study registration: UMIN 000035659).

Patients And Methods: Twenty-eight patients with metastatic or recurrent pancreatic cancer were assessed in this study.

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Purpose: Capecitabine-based adjuvant chemotherapy for colorectal cancer patients often causes adverse events (AEs), such as diarrhea, stomatitis, anorexia, and hand-foot syndrome (HFS). Cystine and theanine were reported to attenuate some chemotherapy-associated AEs, and hence are also expected to attenuate capecitabine-induced AEs. Therefore, we aimed to investigate the safety and efficacy of cystine/theanine treatment in colorectal cancer patients undergoing capecitabine-based adjuvant chemotherapy after surgery.

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Introduction: Although adjuvant capecitabine therapy for patients with colorectal cancer after surgery often causes adverse events (AEs), such as diarrhoea, stomatitis, anorexia and hand-foot syndrome (HFS), there are no standard prevention therapies. Cystine and theanine were reported to attenuate some chemotherapy-associated AEs, and are also expected to attenuate the AEs caused by capecitabine treatment. Therefore, our present study aimed to determine the safety and efficacy of cystine/theanine therapy in patients with colorectal cancer undergoing capecitabine-based adjuvant chemotherapy after surgery.

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Background: The acidic tumor microenvironment is associated with progression of cancers. The purpose of this study was to investigate the association between an alkaline diet and the effect of epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitor (TKI) in non-small cell lung cancer (NSCLC) patients.

Patients And Methods: Eleven advanced or recurrent NSCLC patients with EGFR mutations treated with EGFR-TKI after being instructed to follow an alkaline diet were retrospectively evaluated.

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A 34-year-old man was seen because of severe right neck pain. He was a guitarist in a special type of heavy metal rock (so-called visual-kei, a subgenre related to glam-rock) band and habitually shook his head violently throughout concert performances. He regularly experienced neck and chest pain after a concert, which persisted for some time.

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Mycobacterium chelonae lung infection is rare and has long been recognized as an enigmatic infection resistant to medical therapy. Recently, we encountered a patient who underwent pulmonary resection for Mycobacterium chelonae infection. A 46-year-old man with no medical history was found to have an abnormal shadow in the left upper lung field on chest X-ray.

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A 44-year-old woman was found to have an abnormal shadow on a chest X-ray during a regular health checkup, and visited our department. Chest computed tomography showed multiple nodular shadows in both lungs. The patient had no history of neoplasm except for myomectomy for uterine leiomyoma 6 years previously.

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Hepatic hydrothorax in the absence of ascites is a rare complication of liver cirrhosis. A 71-year-old man with liver cirrhosis due to alcohol abuse was referred to our department because of massive pleural effusion on the right side. The properties of pleural effusion and clinical course led to a diagnosis of hepatic hydrothorax.

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Pleomorphic adenoma usually occurs in the salivary glands but rarely in the trachea or bronchi. A 71-year-old man had abnormal shadows on a chest X-ray. Chest CT revealed one tumor in the right basal segment of the lung and another, in the left main bronchus.

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The patient was a 75-year-old female with a history of no smoking. Under a diagnosis of lung cancer, she underwent a right lower lobectomy in March 2008. She was started on oral Uracil-Tegafur (UFT) (400 mg/day) from April and in May developed fatigue, respiratory discomfort, and tachycardiac atrial fibrillation.

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The patient was a 50-year-old male psychiatrist with a history of smoking 3 packs of cigarettes per day for 30 years. Chest computed tomography (CT) showed a nodular shadow in the left S6 segment in April 2002, for which thoracoscopic partial resection of the lung was performed. Because adenocarcinoma was diagnosed by intraoperative frozen sectioning, a left lower lobectomy and lymph node dissection were performed.

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The serum concentration of procalcitonin (PCT) is specifically elevated in severe bacterial infections. In Japan, PCT has been used as a serum marker for bacterial sepsis since February, 2006. However, the evidence of it in respiratory infectious diseases is limited.

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We report a rare case of extranodal NK/T-cell lymphoma, nasal type, with skin ulceration and multiple nodules in the lung, and will compare this case with others in the literature. A 54-year-old man was troubled with flare and swelling of his right arm for one month. He was referred to our hospital because of subcutaneous nodules with ulceration on the right arm, fever, and general fatigue.

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