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    Effects of Caffeic Acid on Human Health: Pharmacological and Therapeutic Effects, Biological Activity and Toxicity
    (Springer, 2025) Yazar, Memet; Sevindik, Mustafa; Uysal, Imran; Polat, Abdullah Ozan
    Phenolic compounds are bioactive compounds found in many natural products. Natural products exhibit biological activities because of their bioactive compounds. This review presents an overview of the general characteristics of caffeic acid, including its derivatives and biosynthesis, pharmacological and therapeutic effects, and biological activities. According to the literature research conducted, it has been reported that there are medical and pharmacological effects such as atherosclerotic, cardioprotective, immunomodulatory, hypertension, radiotherapy, neurodegeneration, neuroprotective, anxiety, vasoactive, dyslipidemia, and obesity. Furthermore, it has been observed that the substance possesses biological activities such as antioxidant, antihyperglycemic, antimicrobial, anticancer, cytotoxic, anti-inflammatory, anticoagulatory, antidiabetic, and antiviral properties. Within this scope, it is believed that caffeic acid could serve as a significant natural resource in pharmacological designs.
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    The free-nipple breast-reduction technique performed with transfer of the nipple-areola complex over the superior or superomedial pedicles
    (Springer, 2014) Başaran, Karaca; Saydam, Funda Aköz; Ersin, İdris; Yazar, Memet; Aygit, Ahmet Cemal
    Although the free-nipple breast-reduction technique is essentially an amputation, achieving aesthetic results still is important. The authors present their technique for free nipple-areola complex (NAC) transfer over the superomedial or superior pedicle full-thickness flaps in patients for whom a free-nipple technique is inevitable due to certain risk factors. The study included 25 patients who underwent surgery with the aforementioned method for addressing severe gigantomastia. The patients had a mean age of 43 years (range 34-59 years) and a mean body mass index (BMI) of 35.8 kg/m(2) (range 28-42 kg/m(2)). During the operation, the NAC was elevated as a full-thickness skin graft, then transposed to the superior or superomedial pedicles, which had been planned previously. The subsequent stages of the operation thus became a Wise-pattern breast reduction. The mean resection per breast was 1,815 g (range 1,620-2,410 g). Breast projection, shape, and areolar pigmentation were assessed during the follow-up visit. One patient experienced a partial loss of the NAC graft, which healed secondarily, and three patients experienced a patchy hypopigmentation of the NAC. Breast projection and conical structure were observed to be preserved during the follow-up period. The modified free-nipple technique aimed to convert the reduction procedure to a technique similar to pedicle methods, yielding successful results during the early phases. The full-thickness flap constructed in this way provides more fullness and a maximum contribution to projection in patients who will inevitably undergo breast reduction with the free-nipple method. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.spinger.com/00266.